Entry from British & World English dictionary
Definition of rarefy in English:
verb (rarefies, rarefying, rarefied)
- Sound waves propagate through such materials by periodically compressing and rarefying the medium.
- I know the air is pretty rarified in academia, but has the good professor considered taking an evening course in the university of life?
- It's one of those rarified treats when you are simply left reaching for words.
Late Middle English: from Old French rarefier, or medieval Latin rareficare, based on Latin rarus 'rare' + facere 'make'.
Words that rhyme with rarefypetrify • electrify • gentrify
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