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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 …

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 …

The atoms in a compound are bonded together by strong chemical bonds, such as ionic or covalent bonds, which give the compound its unique structure and properties.

Compound definition: To combine so as to form a whole; mix.

having or involving two or more actions or functions: The mouth is a compound organ. Grammar of or pertaining to a compound sentence or compound-complex sentence.

COMPOUND definition: composed of two or more parts, elements, or ingredients. See examples of compound used in a sentence.

To compound a problem, difficulty, or mistake means to make it worse by adding to it.

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

Dec 14, 2025 · compound (third-person singular simple present compounds, present participle compounding, simple past and past participle compounded) (transitive) To form (a resulting …