Dictionary
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
See rarefy defined for kids
Variants of RAREFY
rar·e·fy also rar·i·fy \ˈrer-ə-ˌfī\
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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
Medical Dictionary
rarefy
verb rar·e·fy
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-\
Learn More About RAREFY
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