compound

(kom’pownd) [L. compo’nere to place together]. 1. Made of two or more parts or ingredients. 2. Any substance made up of two or more kinds of materials. acyclic c., an open chain compound. See under chain. addition c., a compound formed by the immediate union of two or more elements. aliphatic c., an open chain compound. See under chain. aromatic c., a closed-chain compound. See under chain. closed-chain c. Sce under chain. coal-tar c., a closed-chain compound. See under chasn. condensation c., a compound which is formed by union of substances with the lo of one or more molecules. cyclic c., a closed-chain compound. diazo-c., a compound containing the group C.HsN,,.or any substitution product of it. endothermic c., one whose formation is attended with the absorption of heat. exothermic c., one whose formation is attended by elevation of temperature. fatty c., an open-chain compound. open-chain c. See under chain. par. ¢., an open-chain compound. saturated c., a chemic compound in which the combining capacities of all the elements are satisfied. substitution c., a compound formed by the replacement of elements of a molecule by other elements. unsaturated c., a compound in which the combining capacities of all the elements are not satisfied.