rare earth
— Noun
– English
~ any element of the lanthanide series (atomic numbers 57 through 71)
rare-earth element
— Noun
– English
~ any element of the lanthanide series (atomic numbers 57 through 71)
rare bird
— Noun
– English
~ a rare or unique person
rare
— Adjective
– English
~ (of meat) cooked a short time; still red inside; "rare roast beef"
rare
— Adjective
– English
~ not widely distributed; "rare herbs"; "rare patches of green in the desert"
rare
— Adjective
– English
~ marked by an uncommon quality; especially superlative or extreme of its kind; "what is so rare as a day in June"-J.R.Lowell; "a rare skill"; "an uncommon sense of humor"; "she was kind to an uncommon degree"
rare
— Adjective
– English
~ not widely known; especially valued for its uncommonness; "a rare word"; "rare books"
rare
— Adjective
– English
~ recurring only at long intervals; "a rare appearance"; "total eclipses are rare events"
rare
— Adjective
– English
~ having low density; "rare gasses"; "lightheaded from the rarefied mountain air"
rarebit
— Noun
– English
~ cheese melted with ale or beer served over toast
rarefaction
— Noun
– English
~ a decrease in the density of something; "a sound wave causes periodic rarefactions in its medium"
rarefied
— Adjective
– English
~ having low density; "rare gasses"; "lightheaded from the rarefied mountain air"
rarefied
— Adjective
– English
~ of high moral or intellectual value; elevated in nature or style; "an exalted ideal"; "argue in terms of high-flown ideals"- Oliver Franks; "a noble and lofty concept"; "a grand purpose"
rarefy
— Verb
– English
~ make more subtle or refined
rarefy
— Verb
– English
~ weaken the consistency of (a chemical substance)