rarefy
Meaning
- To make rare, thin, porous, or less dense.
- To become rare, thin or less dense.
Synonyms
Pronounced as (IPA)
/ˈɹɛəɹəˌfaɪ/
Etymology
In summary
From Middle English rarefien, from Old French rarefier (French raréfier), from Latin rarefacere (“make rare”). By surface analysis, rare + -fy.
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Notes