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Definition of quencher
quencher
/ˈkwɛntʃər/
quench · er
Plural:quenchers
quencher Lexical Profile
CEFR
B2
Grade
8
Tier
2
Usage
Rare
Syllables
2
quencher Game Scores & Validity
Scrabble US
Scrabble UK
WWF
Wordle Guess
• noun
1
A beverage that satisfies one's thirst, especially when used in combination as in 'thirst-quencher'.
Example
"A tall glass of iced lemonade is the ultimate summer thirst quencher."
2
A person or thing that extinguishes, suppresses, or puts an end to something, such as a fire, a chemical reaction, or a lively conversation.
Example
"The sudden announcement of budget cuts acted as an immediate quencher to the team's enthusiasm."
3
In chemistry and physics, a substance that reduces or eliminates the fluorescence or luminescence of another substance by absorbing energy from excited molecules.
Example
"Molecular oxygen frequently acts as an efficient quencher of fluorescence in spectroscopic experiments."
Synonyms
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Cite this Entry
Wordmom. (2026). Definition of Quencher. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/quencher