Dictionary

rarefy

rarefy

verb rar·e·fy \ˈrer-ə-ˌfī\
rar·e·fiedrar·e·fy·ing

Definition of RAREFY

transitive verb
1
:  to make rare, thin, porous, or less dense :  to expand without the addition of matter
2
:  to make more spiritual, refined, or abstruse
intransitive verb
:  to become less dense

Variants of RAREFY

rar·e·fy also rar·i·fy \ˈrer-ə-ˌfī\

Origin of RAREFY

Middle English rarefien, rarifien, modification of Latin rarefacere, from rarus rare + facere to make — more at do
First Known Use: 14th century

Rhymes with RAREFY

abide by, Adonai, alibi, alkali, amplify, apple-pie, argufy, assegai, azo dye, basify, beautify, butterfly, by-and-by, caddis fly, calcify, certify, Chou En-lai, citify, clarify, classify, coalify, cockneyfy, codify, college try, cottage pie, crucify, cut-and-try, cutie-pie, DIY, damnify, damselfly, dandify, deify, densify, dignify, dobsonfly, do-or-die, dragonfly, dulcify, eagle eye, edify, evil eye, falsify, fancify, fortify, frenchify, fructify, gasify, Gemini, gentrify, glorify, goggle-eye, goldeneye, gratify, Haggai, harvest fly, hexerei, high and dry, hip and thigh, Hokusai, hook and eye, horrify, hoverfly, humble pie, Iceni, justify, kiss good-bye, lazy eye, lignify, liquefy, lithify, Lorelei, lullaby, Madurai, magnify, Malachi, Maracay, minify, modify, mollify, Molokai, Mordecai, mortify, multi-ply, multiply, mummify, mystify, nazify, notify, nullify, occupy, old school tie, on standby, on the fly, ossify, overbuy, overfly, overlie, pacify, Paraguay, passerby, peccavi, petrify, PPI, preachify, prettify, private eye, prophesy, purify, putrefy, qualify, quantify, ramify, ratify, RBI, rectify, reify, res gestae, robber fly, runner's high, Russify, samurai, sanctify, satisfy, scarify, schwarmerei, semidry, set store by, shepherd's pie, shoofly pie, signify, simplify, Spanish fly, specify, speechify, stratify, stultify, stupefy, sweetie pie, Tenebrae, terrify, testify, tie-and-dye, tigereye, Trans Alai, tumble dry, typify, uglify, underlie, unify, Uruguay, Veneti, verify, versify, vilify, vinify, vitrify, vivify, weather eye, Windsor tie, xanthene dye, yuppify, zombify

rarefy

verb rar·e·fy   (Medical Dictionary)
rar·e·fied also rar·i·fiedrar·e·fy·ing also rar·i·fy·ing

Medical 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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