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Webster 1913 Edition


Rarefy

Rar′e-fy

(răr′ē̍-fī; 277)
,
Verb.
T.
[
imp. & p. p.
Rarefied
(răr′ē̍-fīd)
;
p. pr. & vb. n.
Rarefying
(răr′ē̍-fīˊĭng)
.]
[F.
raréfier
; L.
rarus
rare +
-ficare
(in comp.) to make; cf. L.
rarefacere
. See
-fy
.]
To make rare, thin, porous, or less dense; to expand or enlarge without adding any new portion of matter to; – opposed to condense.

Rar′e-fy

,
Verb.
I.
To become less dense; to become thin and porous.
“Earth rarefies to dew.”
Dryden.

Webster 1828 Edition


Rarefy

RAR'EFY

,
Verb.
T.
[L. rarefacio; rarus, rare, and facio, to make.]
To make thin and porous or less dense; to expand or enlarge a body without adding to it any new portion of its own matter; opposed to condense.

RAR'EFY

,
Verb.
I.
To become thin and porous.

Definition 2022


rarefy

rarefy

English

Alternative forms

Verb

rarefy (third-person singular simple present rarefies, present participle rarefying, simple past and past participle rarefied)

  1. To make rare, thin, porous, or less dense
  2. To expand or enlarge without adding any new portion of matter to.

Synonyms

Antonyms

Translations