ἀραιότης
English (LSJ)
ητος, ἡ,
A looseness of substance, porousness, rarity, opp. πυκνότης, Hp.Aph. 5.63, al., Arist.Pr.869b30: pl., Id.Ph.260b10, Epicur.Ep.2p.49U., Placit.3.12.1; τῶν πόρων Arist.Aud.802a24; opp. πύκνωσις, Plu.Fr.inc. 149.
ητος, ἡ,
A looseness of substance, porousness, rarity, opp. πυκνότης, Hp.Aph. 5.63, al., Arist.Pr.869b30: pl., Id.Ph.260b10, Epicur.Ep.2p.49U., Placit.3.12.1; τῶν πόρων Arist.Aud.802a24; opp. πύκνωσις, Plu.Fr.inc. 149.