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Possible definitions for cardoon
cartoon
Originally, a full-size drawing used for transferring a design to a painting, tapestry, or other large work. Cartoons were used from the 15th cent. by fresco painters and stained-glass artists. In the 19th cent. the term acquired its popular meaning of a humorous drawing or parody. Cartoons in that sense are used today to convey political commentary, editorial opinion, and social comedy in newspapers and magazines. The greatest early figure is W. Hogarth, in 18th-cent. Britain. In 19th-cent. France, H. Daumier introduced accompanying text that conveyed his characters' unspoken thoughts. Britain's Punch became the foremost 19th-cent. venue for cartoons; in the 20th cent. TheNew Yorker set the Amer. standard. A Pulitzer Prize for editorial cartooning was established in 1922. See also caricature, comic strip.
Caedmon
Earliest known Old English Christian poet. According to Bede, he was a herdsman who received a divine call in a dream to sing of "the beginning of things," and began to utter "verses which he had never heard." He entered a monastery, where he produced vernacular poetry on sacred themes expounded to him by more learned brethren. Only the nine-line original dream hymn can be confidently attributed to him, but it set the pattern for almost all of Anglo-Saxon religious verse.
carbon
Nonmetallic chemical element, chemical symbol C, atomic number 6. The usual stable isotope is carbon-12; carbon-13, another stable isotope, is 1% of natural carbon. Carbon-14 is the most stable and best known of five radioactive isotopes (see radioactivity); its half-life of approximately 5,730 years makes it useful in radiocarbon dating and radiolabeling of research compounds. Carbon occurs in three allotropes: diamond, graphite, and carbon black (amorphous carbon), incl. coal, coke, and charcoal. Carbon forms more compounds than all other elements combined; several million are known. Each carbon atom forms four bonds (four single bonds, two single and one double bond, two double bonds, or one single and one triple bond) with up to four other atoms. Multitudes of chain, branched, ring, and three-dimensional structures can occur. The study of these carbon compounds and their properties and reactions is organic chemistry. With hydrogen, oxygen, nitrogen, and a few other elements whose small amounts belie their important roles, carbon forms the compounds that make up all living things: proteins, carbohydrates, lipids, and nucleic acids. Biochemistry is the study of how those compounds are synthesized and broken down and how they associate with each other in living organisms. Organisms consume carbon and return it to the environment in the carbon cycle. Carbon dioxide, produced when carbon is burned, is about 0.03% of air, and carbon occurs in the earth's crust as carbonate rocks and the hydrocarbons in coal, petroleum, and natural gas. The oceans contain large amounts of dissolved carbon dioxide and ...
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