rarefy

also
v., -fied also -fied, -fy·ing -fy·ing, -fies -fies.

v.tr.

1. To make thin, less compact, or less dense.
2. To purify or refine.

v.intr.

To become thin or less compact or dense.

[Middle English rarefien, from Old French rarefier, from Medieval Latin rārificāre, alteration of Latin rārēfacere : rārus, rare + facere, to make.]

rarefiable rar'e·fi'a·ble adj.

verb

To become diffuse: attenuate, thin. See tighten/loosen.

Note: click on a word meaning below to see its connections and related words.

The verb has 3 meanings:

Meaning #1: lessen the density or solidity (of a substance)

Meaning #2: make more subtle or refined
  Synonyms: sublimate, subtilize

Meaning #3: weaken the consistency of (a chemical substance)
  Synonym: attenuate

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Dansk (Danish)
v. tr. - fortynde, forfine, forbedre, raffinere
v. intr. - fortynde, svække

Nederlands (Dutch)
zuiveren, verfijnen, verdunnen, ijler (doen) worden

Français (French)
v. tr. - raréfier
v. intr. - raréfier

Deutsch (German)
v. - verdünnen, verfeinern

Ελληνική (Greek)
v. - αραιώνω

Italiano (Italian)
rarefare

Português (Portuguese)
v. - rarefazer

Русский (Russian)
разрежать, разжижать

Español (Spanish)
v. tr. - enrarecer
v. intr. - enrarecerse

Svenska (Swedish)
v. - förtunna, rena, förfina

中文（简体）(Chinese (Simplified))
使稀少, 使纯化, 使稀薄, 变稀少, 变稀薄

中文（繁體）(Chinese (Traditional))
v. tr. - 使稀少, 使純化, 使稀薄
v. intr. - 變稀少, 變稀薄

한국어 (Korean)
v. tr. - 희박하게 하다, 순화하다, 세밀하게 하다
v. intr. - 희박하게 되다, 순화 되다, 세밀하게 되다

日本語 (Japanese)
v. - 希薄にする, 純化する, 練る, 浄化する

العربيه (Arabic)
‏(فعل) يجعله أقل مساميه, يخلخل‏

עברית (Hebrew)
v. tr. - ‮דילל, טיהר, עידן, הקליש‬
v. intr. - ‮דילל, הקליש‬

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