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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 by weight.

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

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 …

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 things.

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

Mar 30, 2026 · compound (third-person singular simple present compounds, present participle compounding, simple past and past participle compounded) (transitive) To form (a resulting mixture) …

(music) An octave higher than originally (i.e. a compound major second is equivalent to a major ninth).

Law to agree, for a consideration, not to prosecute or punish a wrongdoer for: to compound a crime or felony. Business to pay (interest) on the accrued interest as well as the principal: My bank …