a word that combines two or more different words. Often, the meaning of the compound cannot be discovered by knowing the meaning of the different words that form it. Compounds may be written …

The meaning of COMPOUND is something formed by a union of elements or parts; especially : a distinct substance formed by chemical union of two or more ingredients in definite proportion by weight.

COMPOUND meaning: 1 : something that is formed by combining two or more parts; 2 : a substance created when the atoms of two or more chemical elements join together

A chemical compound is a pure substance made of two or more different elements that are chemically combined in a fixed ratio. The atoms in a compound are bonded together by strong chemical bonds, …

compound noun [C] (GRAMMAR) a noun, verb, or adjective that is made by two or more words used together. For example, ' golf club ' is a compound.

Nov 11, 2025 · Chemical compound, any substance composed of identical molecules consisting of atoms of two or more chemical elements. All the matter in the universe is composed of the atoms of …

English compound ... A compound is a word composed of more than one free morpheme. [1] The English language, like many others, uses compounds frequently. English compounds may be …

Definition of compound noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

Chemistry A substance made up of two or more elements joined by chemical bonds into a molecule. The elements are combined in a definite ratio. Water, for example, is a compound having two hydrogen …

Nov 15, 2025 · Definition of compound: In chemistry, a compound is a pure substance that is composed of two, or more different elements, chemically combined with one another in a definite ratio.