dilution

American  

[dih-loo-shuhn, dahy-] / dɪˈlu ʃən, daɪ- /

noun

1. the act of diluting or the state of being diluted.

2. something diluted.

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dilution British  

/ daɪˈluːʃən /

noun

1. the act of diluting or state of being diluted

2. a diluted solution

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dilution Scientific  

/ dĭ-lo̅o̅′shən /

1. The process of making a substance less concentrated by adding a solvent, such as water.

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Other Word Forms

• antidilution adjective
• nondilution noun
• overdilution noun

Etymology

Origin of dilution

First recorded in 1640–50; dilute + -ion

Example Sentences

Sunway’s 2026 earnings could be supported by its property and construction segments, though this would be partly offset by dilution from its reduced stake in Sunway Healthcare following its listing, she says.

From The Wall Street Journal • Apr. 7, 2026

“Simply put, no changes to ordinance proposals would materially reduce prospects of wider scale dilution and would negatively impact shares,” they add.

From The Wall Street Journal • Apr. 1, 2026

Specifically, investors should pay attention to dilution without accounting for the offsetting impact of share buybacks.

From MarketWatch • Mar. 21, 2026

“For some companies, the dilution is very significant over time, and then you need to factor for that,” Luria said.

From MarketWatch • Mar. 21, 2026

The lake was surveyed, its volume determined, and the insecticide applied in such great dilution that for every part of chemical there would be 70 million parts of water.

From "Silent Spring" by Rachel Carson