A visual organ found in arthropods such as insects and crustaceans. It consists of one to thousands of tiny independent photoreception units.

plural of compound eye

(chemistry) Any compound containing atoms of three different elements

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

plural of organic compound

plural of inorganic compound

plural of parent compound

plural of ansa compound

(computing, in several programming languages) A symbol made by joining two or more others with punctuation (normally a period/full stop).

plural of compound symbol