1350-1400;Middle Englishrarefien < Middle Frenchrarefier < Latinrārēfacere, equivalent to rārē-, combining form of rārusrare1 (for expected rāri-; orig. of -ē- unclear) + facere to make; see -fy
Related forms
rarefiable, adjective
rarefier, noun
Examples from the web for rarefied
The disagreements do not always arise in rarefied contexts.
As colleges expand entrepreneurship education, more are giving hands-on schooling in the rarefied world of start-up finance.
But the outsider had an in: his father, a mathematician, brought him into the rarefied world of the university.
He doesn't gush about balsamic reductions or rarefied vintages.
Lift is a problem in the rarefied air of the stratosphere, and it seems such a design can help.
During the cold war space was largely thought of as part of the rarefied but terrifying domain of nuclear warfare.
Yes, because what was beforehand essentially a rarefied set of references became something everyone enjoyed.
To find better answers, it may help to look past pendulums and polls and turn to the rarefied realm of political ideas.
All that they consider is either more, less, or the right regulation in the rarefied air of academic and professorial discussion.
The gas in the hot bubble is too rarefied to produce much light in spite of its enormous temperatures.
British Dictionary definitions for rarefied
rarefied
/ˈrɛərɪˌfaɪd/
adjective
1.
exalted in nature or character; lofty: a rarefied spiritual existence
2.
current within only a small group; esoteric or exclusive
3.
(of a gas, esp the atmosphere at high altitudes) having a low density; thin
rarefy
/ˈrɛərɪˌfaɪ/
verb -fies, -fying, -fied
1.
to make or become rarer or less dense; thin out
Derived Forms
rarefiable, adjective rarefier, noun
Word Origin
C14: from Old French raréfier, from Latin rārēfacere, from rārusrare1 + facere to make
Word Origin and History for rarefied
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.