III. WORDS RELATING TO MATTER

II. INORGANIC MATTER

1. Solid Matter

Rarity.

[Antonyms: density.]

[Nouns] rarity, tenuity; absence of solidity [more]; subtility; subtilty, subtlety; sponginess, compressibility.

rarefaction, expansion, dilatation, inflation, subtilization.

ether (gas) [more].

[Verbs] rarefy, expand, dilate, subtilize.

[Adjectives] rare, subtile, thin, fine, tenuous, compressible, flimsy, slight; light [more]; cavernous, spongy (hollow) [more].

rarefied; unsubstantial; uncompact, incompressed; rarefiable.