Diminution definition

dĭmə-no͝oshən, -nyo͝o-
A diminishing or being diminished; lessening; decrease.
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The definition of a diminution is a reduction in size or a reduction in the importance of someone or something.

When you are demoted from President of the company to assistant manager, this is an example of a diminution.

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(music) Statement of a theme in notes of lesser duration, usually one-half, of the original.
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The act or process of diminishing; a lessening or reduction.
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The resulting reduction; decrease.
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(music) Variation of a theme by shortening, usually halving, the time value of the notes.
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The new emission standards have produced a measurable diminution in air pollution.

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(music) The shortening of the notes of a melody or theme.
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Other Word Forms

Noun

Singular:
diminution
Plural:
diminutions

Origin of diminution

  • Middle English diminucioun from Old French diminution from Latin dīminūtiō dīminūtiōn- from dīminūtus past participle of dīminuere diminish

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Anglo-Norman diminuciun, Old French diminucion, from Latin diminutio

    From Wiktionary