rarefy
English
Alternative forms
Etymology
Borrowed from Old French rarefier (French raréfier), from Latin rarefacere (“make rare”). Surface etymology is rare + -fy.
Verb
rarefy (third-person singular simple present raref, present participle ies, simple past and past participle rarefied)
- To make rare, thin, porous, or less dense
- To expand or enlarge without adding any new portion of matter to.
Synonyms
Antonyms
Translations
to make rare etc.
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to enlarge without adding new matter
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