rarefy
pronunciation
How to pronounce rarefy in British English:
UK ['reərɪfaɪ]
How to pronounce rarefy in American English:
US [ˈrɛrəˌfaɪ]
-
- Verb:
- lessen the density or solidity of
- make more subtle or refined
- weaken the consistency of (a chemical substance)
Word Origin
- rarefy (v.)
- late 14c., from Old French rarefier (14c.) and directly from Medieval Latin rarificare, from Latin rarefacere "make rare," from rarus "rare, thin" (see rare (adj.1)) + facere "to make" (see factitious). Related: Rarefied.
Example
- 1. Everyone ought to rarefy his spiritual life .