νίτρ-ον,τό, in Hdt. and Att.
λίτρον(q.v.),
A. sodium carbonate,
Sapph. 165 , Hp.
Aër.
7 , Arist. Mete. 383b12 , IG 9(1).691 (Corc.,iii B.C.), PCair.Zen. 304.7
(iii B.C.), PTeb. 182
(ii B.C.), Gal. 13.265 ; ν. ἐρυθρόν
Hp. Nat.Mul. 32
, cf. Mul. 1.98 ;ν. θαλάσσιον,i.e. from the Egyptian lakes, Hippiatr. 130 ; as anἄρτυμα,
Antiph. 142.2 ; mixed with oil as a soap, Alciphr. 3.61 , Lib. Decl. 26.19 . (Cf. Egypt.ntirj'natron'.)