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Definition of ultrafine
ultrafine
/ˌʌl.trəˈfaɪn/
ul · tra · fine
ultrafine Lexical Profile
CEFR
C1
Grade
10
Tier
2
Usage
Rare
Syllables
3
ultrafine Game Scores & Validity
Scrabble US
Scrabble UK
WWF
Wordle Guess
• adjective
1
Consisting of extremely small particles, or having an exceptionally thin, delicate, or smooth texture.
Example
"The air purifier is designed to capture ultrafine dust particles and microscopic allergens."
Synonyms
View all synonyms for ultrafine Antonyms
View all antonyms for ultrafine• Rhymes for ultrafine
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Cite this Entry
Wordmom. (2026). Definition of Ultrafine. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/ultrafine