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Definition of dilution

dilution

/dɪˈluː.ʃən/
di · lu · tion

Plural:dilutions
•
Adjective:diluted
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dilution Lexical Profile

dilution Game Scores & Validity

• noun

1

The action of making a liquid or solution weaker or thinner by adding water or another solvent to it, or a solution that has been weakened in this way.

Example

"The lab technician prepared a tenfold dilution of the concentrated acid before running the test."


2

The action of making something weaker in force, value, or quality by modifying it or adding other elements to it.

Example

"Critics argued that the proposed amendments would lead to a serious dilution of environmental standards."


3

A reduction in the ownership percentage or per-share value of existing equity in a company caused by the issuance of new shares (in finance).

Example

"Early investors negotiated protective clauses to shield their holdings from future equity dilution."

Synonyms
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Antonyms
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Word Nuance & Usage

Do not confuse 'dilution' (the act of making a liquid thinner or weakening something's force) with 'delusion' (a false or mistaken belief).

• Rhymes for dilution

Word Origin & Etymology

Borrowed in the mid-16th century from Late Latin dilutio, derived from the Latin verb diluere meaning 'to wash away' or 'to dissolve' (from dis- 'apart' + luere 'to wash').

Cite this Entry


Wordmom. (2026). Definition of Dilution. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/dilution
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