Definition of "chemical compound" [chemical compound]

• Any substance formed by the union of two or more chemical elements in a fixed ratio, the union being a chemical bond. (noun)
• Any single substance, either compound or element (noun)

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• "This is true, therefore, of man: the healthy body, he argued, is a sort of chemical compound in which these three principles are harmoniously blended (as in the Macrocosm) in due proportion, whilst disease is due to a preponderance of one principle, fevers, for example, being the result of an excess of sulphur (i.e. the fiery principle), etc."
• "An organic chemical compound that contains both an amine group and a carboxyl group; the unit of structure of proteins."