| | - imine
- (from the article "amine") Although tertiary amines do not react with aldehydes and ketones, and secondary amines react only reversibly, primary amines react readily to form imines (also called azomethines or Schiff bases), R2C&doublehorzbond;NR'.
- imino acid
- (from the article "protein") Proteins also contain an amino acid with five carbon atoms (glutamic acid) and an imino acid (proline), which is a structure with the amino group (&singlehorzbond;NH2) bonded to the alkyl ...
- iminoglycinuria
- inborn impairment of the transport system of the kidney tubules, which normally reabsorb the amino acids glycine, proline, and hydroxyproline. In young children in whom this transport system fails to ...
- imipenem
- (from the article "drug") Imipenem is a beta-lactam antibiotic that works by interfering with cell wall synthesis. It is highly resistant to hydrolysis by most beta-lactamases. This drug must be given by intramuscular injection ...
- imipramine
- synthetic drug used in the treatment of depression and enuresis (bed-wetting). Introduced into medicine in the 1960s, imipramine was the first tricyclic antidepressant, a class named for its three-ring molecular ... [4 Related Articles]
- imitated light
- (from the article "theatre") ...vertical scenery, and the horizontal floor. He categorized stage lighting under three headings: a general or acting light, which gave diffused illumination; formative light, which cast shadows; and imitated lighting ...
- imitation
- in psychology, the reproduction or performance of an act that is stimulated by the perception of a similar act by another animal or person. Essentially, it involves a model to ... [4 Related Articles]
- imitation
- (from the article "Johnson, Samuel") ...first major poem), Marmor Norfolciense, and A Compleat Vindication of the Licensers of the Stage. London is an "imitation" of the ...
- imitation
- (from the article "counterpoint") ...theorists generally use the word counterpoint in a narrow sense for musical styles resembling those of Palestrina or Bach and emphasizing clear melodic relationships (e.g., melodic imitation) between the voice ...
- imitation of Christ
- (from the article "Christianity") ...also does not appear-as in Buddhism-as suffering simply under the general conditions of human existence in this world; it is instead coupled with the specifically Christian idea of the imitation ...
- Imitation of Christ
- a Christian devotional book written between 1390 and 1440. Although its authorship is a matter of controversy, the book is linked to the name of Thomas a Kempis. Whatever the ... [5 Related Articles]
- Imja River
- (from the article "Everest, Mount") The mountain's drainage pattern radiates to the southwest, north, and east. The Khumbu Glacier melts into the Lobujya (Lobuche) River of Nepal, which flows southward as the Imja River to ...
- immacolata
- (from the article "Madonna") ...showing the Virgin alone have theological significance. As the Madonna of mercy, which flourished in the 15th century, the Virgin spreads her mantle protectively over a group of the faithful. ...
- Immaculate Conception
- Roman Catholic dogma asserting that Mary, the mother of Jesus, was preserved free from the effects of the sin of Adam (usually referred to as "original sin") from the first ... [7 Related Articles]
- immanence
- (from the article "Platonism") ...and hatred of the body seem to derive from non-Platonic and non-Greek sources). They stressed the transcendence of God though, by insisting that it is a transcendence that is also ...
- Immanent Will
- (from the article "Hardy, Thomas") ...own intellectual ambiguities. The Dynasts as a whole served to project his central vision of a universe governed by the purposeless movements of a blind, unconscious force that he called ...
- Immanuel Ben Solomon
- Hebrew poet who lived mainly in Rome, considered the founder of secular poetic writing in Hebrew. Probably a wandering teacher by profession, he was a prolific writer of Hebrew verse, ...
- Immanuel Church
- (from the article "New Castle") The Immanuel Church (Episcopal; 1703, rebuilt after it burned in 1980) is a historic landmark. Other colonial landmarks include Amstel House Museum (c. 1730); Old Dutch House, perhaps the state's ...
- immaterialism
- (from the article "mind, philosophy of") Some philosophers have held the doctrine of immaterialism, so named by Bishop George Berkeley, one of the classic British Empiricists, in whose view everything that exists is mental, of "the ...
- immature hemangioma
- (from the article "hemangioma") Immature hemangioma, also called hemangioma simplex or strawberry mark, is a common reddish nubbin on the skin, constituted of aggregations of dilated small blood vessels, which may or may not ...
- immaturity
- (from the article "sedimentary rock") Immature sandstones contain a clay matrix, and the sand-size grains are usually angular and poorly sorted. This means that a wide range of sand sizes is present. Such sandstones are ...
- immediate constituent analysis
- in linguistics, a system of grammatical analysis that divides sentences into successive layers, or constituents, until, in the final layer, each constituent consists of only a word or meaningful part ... [1 Related Articles]
- immediate inference
- (from the article "logic") The simplest possible arguments that can be constructed from categorical propositions are those with one premise and, of course, one conclusion. These are called immediate inferences. In order to characterize ...
- immediate toxic response
- (from the article "poison") Toxic responses may also be classified according to the time it takes for development of a toxic response. If it takes up to a few days after exposure, the response ...
- immediatism
- (from the article "Garrison, William Lloyd") ...from the American Colonization Society, which advocated the return of free blacks to Africa, to the principle of "immediate emancipation," borrowed from English abolitionists. "Immediatism," however variously it was interpreted ...
- Immelmann turn
- (from the article "air warfare") ...the superior abilities of his Fokker Eindeker to climb and dive quickly, helped expand aerial combat from the horizontal into the vertical dimension. Immelmann developed what became known as the ...
- Immelmann, Max
- (from the article "air warfare") ...Because a pilot's only warning system was the naked eye, attacking fighters, whenever possible, approached from the rear or dove out of the sun, where they could not be seen. ...
- Immendorf, Jorg
- German artist produced provocative and often politically and socially engaged art in a variety of media. He was best known for his 16 Cafe Deutschland paintings, which examined the relations ...
- Immermann, Karl Leberecht
- dramatist and novelist whose works included two forerunners in German literary history: Die Epigonen as a novel of the contemporary social scene and Der Oberhof as a realistic story of ... [1 Related Articles]
- immersed tube
- technique of underwater tunneling used principally for underwater crossings. The method was pioneered by the American engineer W.J. Wilgus in the Detroit River in 1903 for the Michigan Central Railroad. ... [3 Related Articles]
- immersion
- (from the article "Baptist") ...in newness of life, then the act of baptism must reflect these terms. The sign must be consonant with that which it signifies. It is for this latter reason that ...
- immersion foot
- (from the article "immersion foot") a painful disorder of the foot involving damage to the skin, nerves, and muscle that is caused by prolonged exposure to cold dampness or by prolonged immersion in cold water. ...
- immersion objective
- (from the article "microscope") ...0.1 for low-magnification objectives to 0.95 for dry objectives and 1.4 for oil-immersion objectives. A dry objective is one that works with the air between the specimen and the objective ...
- immigration
- (from the article "Canada") ...which Quebecers revealed deep concerns about some religious and ethnic minorities. Early in the year the small rural town of Herouxville adopted a code of "norms" for prospective immigrants. Although ...
- Immigration Act
- (from the article "eugenics") ...determine the feasibility of a plan whereby every prospective immigrant would be interviewed before embarking to the United States. He provided testimony before Congress that ultimately led to a new ...
- Immigration Act
- (from the article "United States") ...for public and private education below the college level. The Higher Education Act of 1965 provided scholarships for more than 140,000 needy students and authorized a National Teachers Corps. The ...
- Immigration and Naturalization Service
- (from the article "cybercrime") ...States. In particular, the U.S. General Accounting Office (GAO) issued several reports during the late 1990s and early 2000s concerning the extent of document fraud that had been missed by ...
- immigration control
- (from the article "Howard, John Winston") ...oversaw the implementation of a new taxation system in 2000. The centrepiece of the system was a goods-and-services tax, which was unpopular with the public. In the early 21st century, ...
- Immigration Reform and Control Act
- (from the article "Immigration's Economic Impact") ...like to reduce the flow of illegal immigrants into the country, though they also oppose imposing great penalties or deporting the existing stock of illegal immigrants. In 1986 Congress enacted ...
- Immigration Restriction Act
- (1901), in Australian history, fundamental legislation of the new Commonwealth of Australia that effectively stopped all non-European immigration into the country and that contributed to the development of a racially ... [1 Related Articles]
- immiscibility
- (from the article "mineral deposit") A different kind of magmatic segregation involves liquid immiscibility. A cooling magma will sometimes precipitate droplets of a second magma that has an entirely different composition. Like oil and water, ...
- Immonen, Riitta Narhi
- Finnish fashion designer was cofounder, with textile artist Armi Ratia, of the Marimekko clothing, textile, and interior-design company. Immonen designed all 27 outfits in Marimekko's debut showing on May 20, ...
- Immortal
- (from the article "Daoism") ...in autonomy, the natural spontaneity that Zhuangzi ceaselessly applauds. These striking portraits may have been intended to be allegorical, but whatever their original meaning, these Immortals (xian), ...
- Immortal Game, The
- (from the article "Anderssen, Adolf") ...defeat by the Austrian Wilhelm Steinitz (1866). Anderssen was noted for his ability to discover combination plays calculated to force an immediate decision. One of his games was dubbed the ...
- immortality
- in philosophy and religion, the continuity of human spiritual existence after the death of the body. The concept of immortality is to be distinguished from that of bodily resurrection. [10 Related Articles]
- immortelle
- (from the article "everlasting") ...their form and colour when dried and are used in dry bouquets and flower arrangements. Popular everlastings include several species of the family Asteraceae, especially the true everlastings, or immortelles, ...
- immune antibody
- (from the article "blood group") ...there has been no previous exposure to the corresponding red cell antigens-for example, anti-A in the plasma of people of blood group B and anti-B in the plasma of people ...
- immune deficiency
- (from the article "immune system disorder") Immune deficiency disorders result from defects that occur in immune mechanisms. The defects arise in the components of the immune system, such as the white blood cells involved in immune ...
- immune response gene
- (from the article "Benacerraf, Baruj") At NYU Benacerraf began to study the genetics of the immune system. His experiments led to his development of the concept of immune response (Ir) genes, which control the immune ...
- immune serum globulin
- (from the article "therapeutics") Immune serum globulin (ISG), obtained from the plasma of a pool of healthy donors, contains a mixture of immunoglobulins, mainly IgG, with lesser amounts of IgM and IgA. It is ...
- immune surveillance hypothesis
- (from the article "immune system") ...cells. The idea that such a mechanism continues to function throughout life, weeding out newly arisen cancer cells, became popular in the 1950s and '60s when a number of immunologists ...
- immune system
- the complex group of defense responses found in humans and other advanced vertebrates that helps repel disease-causing organisms (pathogens). Immunity from disease is actually conferred by two cooperative defense systems, ... [10 Related Articles]
- immune system disorder
- any of various failures in the body's defense mechanisms against infectious organisms (see table). Disorders of immunity include immune deficiency diseases, such as AIDS, that ...
- immunity
- (from the article "immune system") the complex group of defense responses found in humans and other advanced vertebrates that helps repel disease-causing organisms (pathogens). Immunity from disease is actually conferred by two cooperative defense systems, ...
- immunity
- in law, exemption or freedom from liability. In England and the United States a legislator is immune from civil liability for statements made during legislative debate. He is also immune ... [2 Related Articles]
- immunization
- process by which resistance to disease is acquired or induced in plants and animals. This discussion focuses on immunization against infectious diseases in vertebrate animals, specifically humans. [18 Related Articles]
- immunochemistry
- (from the article "biochemistry") ...component of a disease-causing bacterium, the antibody can protect an organism from infection by that bacterium. The chemical study of antigens and antibodies and their interrelationship is known as immunochemistry.
work ...
- immunogen
- (from the article "antigen") ...of various species, including humans. An antigen that induces an immune response-i.e., stimulates the lymphocytes to produce antibody or to attack the antigen directly-is called an immunogen.
- immunogenetics
- (from the article "genetics, human") Immunity is the ability of an individual to recognize the "self" molecules that make up one's own body and to distinguish them from such "non-self" molecules as those found in ...
- immunologic competence
- (from the article "blood") ...that also acts on the hypothalamus in the brain to produce fever. The ability to develop an immune response (i.e., the T cell-mediated and humoral immune responses) to foreign substances ...
- immunologic ignorance
- (from the article "human disease") ...immune self-destruction is afforded in which self-reactive lymphocytes lose their ability to react to self-antigens when they are encountered in blood and tissues. This state is referred to as immunologic ...
- immunological memory
- (from the article "immune system") ...a second immune response that is led by these long-lasting memory cells, which then give rise to another population of identical effector and memory cells. This secondary mechanism is known ...
- immunology
- the scientific study of the body's resistance to invasion by other organisms (i.e., immunity). In a medical sense, immunology deals with the body's system of defense against disease-causing microorganisms and ... [12 Related Articles]
- immunosorbent electron microscope
- (from the article "plant disease") ...for the identification of plant pathogens, particularly bacteria, viruses, and viroids. The techniques of traditional scanning microscopy and transmission electron microscopy have been applied to immunosorbent electron microscopy, in which ...
- immunosuppressant
- (from the article "drug") The dramatic progress made in the transplantation of tissue and organs has been in part due to the use of drugs that modify the immune response in recipients of these ...
- immunotherapy
- (from the article "bladder cancer") Bladder cancer may be treated through biological therapy, or immunotherapy, in which the body's own cells, chemicals, or other natural agents are used to help boost the natural immune response ...
- Imo
- state, southern Nigeria. Imo is bordered by the states of Anambra to the north, Abia (until 1991 part of Imo state) to the east, and Rivers to the south and ...
- Imogen
- (from the article "Cymbeline") In the play Cymbeline, the king of Britain, decides that his daughter, Imogen, must marry his horrid stepson Cloten. When Cymbeline learns that Imogen is secretly married to Posthumus, he ...
- imogolite
- (from the article "Cation-exchange capacities and specific surface areas of clay minerals") Imogolite is an aluminosilicate with an approximate composition of SiO2 · Al2O3 · 2.5H2O. This mineral was discovered in 1962 in a soil derived from glassy volcanic ash known as ...
- Imola
- town and episcopal see, Emilia-Romagna regione, northern Italy. Imola lies along the Santerno River, southeast of Bologna. Its Forum Cornelii was a station on the Roman road Via Aemilia. The ...
- impact forging
- (from the article "forging") Several other forging processes are also used. In roll forging, the metal blank is run through matched rotating rolls with impressions sunk in their surfaces. Impact forging is essentially hammer ...
- impact fuze
- (from the article "bomb") Several types of fuzes are used in bombs. Impact fuzes, historically the most common type, are set in the bomb's nose and detonate upon impact, setting off the main charge. ...
- impact ionization
- (from the article "mass spectrometry") ...1). A satisfactory electrode arrangement enables the production of a beam of ions much more nearly homogeneous in energy than with the arc, greatly simplifying the ensuing analyzing method. Electron ...
- impact period
- (from the article "collective behaviour") In disasters such as floods and some hurricanes there is a distinctly long period of impact, which can be separated from a subsequent period of stocktaking or immobility. In earthquakes ...
- impact printer
- (from the article "information processing") Computer printers are commonly divided into two general classes according to the way they produce images on paper: impact and nonimpact. In the first type, images are formed by the ...
- impact test
- (from the article "materials testing") Many materials, sensitive to the presence of flaws, cracks, and notches, fail suddenly under impact. The most common impact tests (Charpy and Izod) employ a swinging pendulum to strike a ...
- impacted fracture
- (from the article "fracture") ...or greenstick, fracture occurs when the bone cracks and bends but does not completely break; when the bone does break into separate pieces, the condition is called a complete fracture. ...
- impairment
- (from the article "fatigue") ...Indeed, often enough one may be "fatigued" without knowing it, indicating the predominance of relatively subpersonalistic factors at work. Such factors can be lumped under the term impairment, mentioned originally ...
- impala
- (Aepyceros melampus), swift-running antelope, family Bovidae (order Artiodactyla), that is found in large herds, usually near water, on the savannas and open woodlands of central and southern Africa.
- impala lily
- (from the article "Apocynaceae") ...and Amsonia sometimes are grown as ornamentals. The genera Adenium and Pachypodium are African succulents with alternate leaves and strangely shaped trunks. The impala lily (Adenium multiflorum) is an ornamental ...
- impalement
- (from the article "heraldry") ...when strewn with minor charges; when charged with drops of liquid, it is gutte. Partition lines divide the shield. The most common ones are straight. Impalement means the division of ...
- impasto
- paint that is applied to a canvas or panel in quantities that make it stand out from the surface. Impasto was used frequently to mimic the broken-textured quality of highlights-i.e., ... [1 Related Articles]
- Impatiens
- large genus of herbaceous plants, belonging to the balsam family (Balsaminaceae), that are widely distributed in Asia, Africa, and North America. Some are regarded as weeds but others are popular ...
- Impatiens capensis
- (from the article "Impatiens") ...75 cm (30 inches) in height, has flowers of almost every colour except blue. I. biflora, which grows 60-90 cm tall, is an annual with orange, brown-spotted flowers. I. capensis, ...
- impeachment
- in common law, a criminal proceeding instituted against a public official by a legislative body. In Great Britain the House of Commons serves as prosecutor and the House of Lords ... [13 Related Articles]
- impedance audiometry
- (from the article "ear, human") A simple and objective means of testing hearing at the level of the cochlea and brain stem is supplied by impedance audiometry. Two small tubes are sealed into the external ...
- impedance mismatch
- (from the article "sound") Mediums in which the speed of sound is different generally have differing acoustic impedances, so that, when a sound wave strikes an interface between the two, it encounters an impedance ...
- impedance-matching transformer
- (from the article "transformer") Impedance-matching transformers are used to match the impedance of a source and that of its load, for most efficient transfer of energy. Isolation transformers are usually employed for reasons of ...
- impeller
- (from the article "centrifugal pump") device for moving liquids and gases. The two major parts of the device are the impeller (a wheel with vanes) and the circular pump casing around it. In the most ...
- imperative ending
- (from the article "Indo-European languages") To mark mood and tense, imperfective verbs that did not have a mood suffix distinguished three subtypes of active and mediopassive endings: imperative, primary, and secondary. Verbs with imperative endings ...
- imperative language
- (from the article "computer science") COBOL, FORTRAN, and their descendants, such as Pascal and C, are known as imperative languages, since they specify as a sequence of explicit commands how the machine is to go ...
- imperative mood
- (from the article "mood") Languages frequently distinguish grammatically three moods: the indicative, the imperative, and the subjunctive. The indicative is generally used for factual or neutral situations, as in English "John did his work" ...
- imperfect competition
- (from the article "market") ...of affairs, known as "perfect competition," is quite contrary to the general run of business experience, particularly in bad times when under-capacity working is prevalent. A theory of imperfect competition ...
- imperfect flower
- (from the article "angiosperm") A complete flower contains all four organs, while an incomplete flower is missing at least one. A bisexual (or "perfect") flower has both stamens and carpels, and a unisexual (or ...
- imperfective aspect
- (from the article "Indo-European languages") The imperfective aspect, traditionally called "present," was used for repeated actions and for ongoing processes or states-e.g., *sti-stH2-(e)- 'stand up more than once, be in the process ...
- Imperia
- town, Liguria regione, northwestern Italy. It lies on that part of the Riviera di Ponente known as the Riviera dei Fiori, northeast of San Remo. Formed in 1923 by the ...
- Imperial
- (from the article "Araucania") Two partially navigable rivers, the Imperial and the Tolten, traverse southern Araucania region from east to west. The cordilleran ridges and volcanoes at Tolguaca, Lonquimay, and Llaima and the forests, ...
- Imperial Airways
- (from the article "British Airways PLC") ...when, with the award of government subsidies, four small postwar companies (Handley Page Transport Ltd., Instone Air Line Ltd., Daimler Airway, and British Marine Air Navigation Co.) merged to form ...
- Imperial British East Africa Company
- (from the article "Lugard, F.D.") His next enterprise was under the imperial British East Africa Company, one of the chartered companies that preceded imperial annexation in Africa. Leaving Mombasa in August 1890, he led a ...
- Imperial Chemical Industries PLC
- major British corporation that was founded in 1926 as Imperial Chemical Industries Ltd. to amalgamate four major British chemical companies: Brunner, Mond & Co. Ltd., Nobel Industries Ltd., United Alkali ...
- Imperial City
- (from the article "Beijing") ...was in the form of an oblong adjoining the inner city, with walls that were 14 miles (23 km) in length, including 4 miles (6 km) of the southern wall ...
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