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.

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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.

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 …

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

Mar 12, 2026 · Learn what chemical compounds are, how they differ from elements and mixtures, and why they matter in everyday life.

If you compound a problem you add something to it to make it worse, like say, putting water on a grease fire. Compound means to combine; a compound is a combination or mixture of two or more …