μάνωσις

εως, ἡ
A. making loose or porous, rarefaction, opp. πύκνωσις, Id. Ph. 212b3, al., cf. Thphr. CP 4.14.2, etc.; opp. πυκνότης, Placit. 1.3.6.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
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