English Reference

Word

diluted

Phoneticsdi·lut·ed, stress on the second syllable

US/daɪˈɫutəd/

UK/daɪlˈuːtɪd/

Chemistry

Definition

adj. a liquid that is less strong because water or another liquid was added to it.

adj. referring to a solution that has been made thinner or less concentrated by the addition of a solvent, typically water.

Examples

“The juice tastes weak because it is diluted.”

“The company diluted its shares to raise more money from investors.”

“The original proposal was so heavily diluted by committee amendments that it no longer reflected the author's intent.”

Examples

simple

“The juice tastes weak because it is diluted.”

contextual

“The company diluted its shares to raise more money from investors.”

complex

“The original proposal was so heavily diluted by committee amendments that it no longer reflected the author's intent.”

Real-World Examples

“That both cooled the tea to a refreshing drinking temperature and diluted it for a proper taste.”
The Conversation 24 Aug 2026
“The researchers next tested diluted whole blood spiked with MCF-7 breast cancer cells.”
Phys.org 24 Aug 2026
“Others argued the feature had already been diluted when Bumble introduced "Opening Moves" - a feature allowing women to set a pre-written prompt for men to respond to.”
BBC News 13 Aug 2026

Synonyms

weakenedwatered-downthin

Antonyms

concentratedundilutedpure

Domain

Chemistry

This entry

Exam level
CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.B2 FirstIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.5.5–6.5TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 4.0–4.572–94TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.785–944
Frequency
Frequent
Level
B2 · Upper Intermediate
Updated

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English Reference