Word Study
rarefiable
CIDE DICTIONARY
rarefiable, a. [Cf. F. raréfiable.].
Capable of being rarefied. Boyle. [1913 Webster]
ROGET THESAURUS
rarefiable
Rarity
N rarity, tenuity, absence of solidity, subtility, subtilty, subtlety, sponginess, compressibility, rarefaction, expansion, dilatation, inflation, subtilization, vaporization, evaporation, diffusion, gassification, ether, rare, subtile, thin, fine, tenuous, compressible, flimsy, slight, light, cavernous, spongy, rarefied, unsubstantial, uncompact, incompressed, rarefiable.For further exploring for "rarefiable" in Webster Dictionary Online