*coen*

‖n. [ Native name. ] (Zool.) The Brazilian porcupine (Cercolades prehensiles syn. Sphingurus prehensiles), remarkable for its prehensile tail. [ 1913 Webster ]

{ ‖ n. [ NL. coenenchyma, fr. Gr. koino`s common + &unr_; something poured in. Formed like parenchyma. ] (Zool.) The common tissue which unites the polyps or zooids of a compound anthozoan or coral. It may be soft or more or less ossified. See Coral. [ 1913 Webster ]

‖n. [ NL., fr. Gr. koino`s common + &unr_; sensation. ] (Physiol.) Common sensation or general sensibility, as distinguished from the special sensations which are located in, or ascribed to, separate organs, as the eye and ear. It is supposed to depend on the ganglionic system. [ 1913 Webster ]

n. a member of a religious order living in common. Same as Cenobite. [ 1913 Webster ]

adj. of or relating to or befitting cenobites or their practices of communal living. Opposite of eremitic.
Syn. -- cenobitic, cenobitical. [ WordNet 1.5 ]

‖n. [ NL., fr. Gr. koino`s common + o'i^kos house. ] (Zool.) The common tissue which unites the various zooids of a bryozoan. [ 1913 Webster ]

n. [ Gr. &unr_;; koino`s common + &unr_; marraige. ] The state of a community which permits promiscuous sexual intercourse among its members; -- as in certain primitive tribes or communistic societies. [ Written also cenogamy. ] [ 1913 Webster ]

n. [ Gr. koino`s common + &unr_;, &unr_;, flesh. ] (Zool.) The common soft tissue which unites the polyps of a compound hydroid. See Hydroidea. [ 1913 Webster ]

‖n. [ NL. fr. Gr. koino`s common + o'yra` tail. ] (Zool.) The larval stage of a tapeworm (Tænia cœnurus) which forms bladderlike sacs in the brain of sheep, causing the fatal disease known as water brain, vertigo, staggers or gid. [ 1913 Webster ]

☞ This bladder worm has on its surface numerous small heads, each of which, when swallowed by a dog, becomes a mature tapeworm in the dog's intestine. [ 1913 Webster ]

(Biochem.) a molecule that is essential for the activity of some enzymes; it may exist free in solution within a living organism, but functions by binding to an enzyme to assist in catalyzing a reaction. The molecule itself may be temporarily changed during the reaction, but is ultimately restored to its original form. Many vitamins function as coenzymes. [ PJC ]

(Biochem.) a coenzyme (C21H36N7O16P3S) that participates in the transfer of acetyl groups in biochemical reactions; -- abbreviated CoA. It contains adenosine, phosphate, pantothenic acid and cysteamine groups. The acetyl group to be transferred during biosynthesis is temporarily attached to the free sulhydryl of the cysteamine group to form a thioester, in which state it is called acetyl coenzyme A. The strength of a preparation of coenzyme A may be expressed by the Lippman unit; one milligram of CoA contains 413 Lippman units. [ PJC ]