| | - catch
- perpetual canon designed to be sung by three or more voices, especially popular in 17th- and 18th-century England. Like all rounds, catches are indefinitely repeatable pieces in which all voices ...
- catch-as-catch-can wrestling
- basic wrestling style in which nearly all holds and tactics are permitted in both upright and ground wrestling. Rules usually forbid only actions that may injure an opponent, such as ...
- Cateau-Cambresis, Peace of
- (April 3, 1559), agreement marking the end of the 65-year (1494-1559) struggle between France and Spain for the control of Italy, leaving Habsburg Spain the dominant power there for the ...
- catechetical school
- in early Christianity, a type of educational institution with a curriculum directed toward inquirers (especially those trained in the Greek paideia, or educational system) whose aim was to gain a ...
- catechism
- a manual of religious instruction usually arranged in the form of questions and answers used to instruct the young, to win converts, and to testify to the faith. Although many ...
- catecholamine
- any of various naturally occurring amines that function as neurotransmitters and hormones within the body. Catecholamines are characterized by a catechol group (a benzene ring with two hydroxyl groups) to ...
- catechumen
- a person who receives instruction in the Christian religion in order to be baptized. According to the New Testament, the apostles instructed converts after baptism (Acts 2:41-42), and Christian instruction ...
- Catechumens, Liturgy of the
- the instructional part of the Christian worship service, consisting of hymns, prayers, scriptural readings, and homilies, which precedes the Eucharist (i.e., the Liturgy of the Faithful). In the early church ...
- categorical imperative
- in the ethics of the 18th-century German philosopher Immanuel Kant, founder of critical philosophy, a moral law that is unconditional or absolute for all agents, the validity or claim of ...
- categorical proposition
- in syllogistic or traditional logic, a proposition or statement, in which the predicate is, without qualification, affirmed or denied of all or part of the subject. Thus, categorical propositions are ...
- category
- in logic, a term used to denote the several most general or highest types of thought forms or entities, or to denote any distinction such that, if a form or ...
- catenary
- in mathematics, a curve that describes the shape of a flexible hanging chain or cable-the name derives from the Latin catenaria ("chain"). Any freely hanging cable or ...
- catenation
- chemical linkage into chains of atoms of the same element, occurring only among the atoms of an element that has a valence of at least two and that forms relatively ...
- caterpillar
- larva of a butterfly or moth (Lepidoptera). Caterpillars have cylindrical bodies consisting of 13 segments, with three pairs of legs on the thorax and several on the abdomen. The head ...
- Caterpillar Inc.
- major American manufacturer of earth-moving, construction, agricultural, and materials-handling equipment. Its headquarters are in Peoria, Illinois.
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