rar·e·fied also rar·i·fiedrar·e·fy·ing also rar·i·fy·ing

Definition of RAREFY

transitive verb
: to make rare, thin, porous, or less dense : to expand without the addition of matter
intransitive verb
: to become less dense

Variants of RAREFY

rar·e·fy also rar·i·fy \ˈrar-ə-ˌfī, ˈrer-\

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