נֶתֶר

נֶתֶרf. (b. h.; preced.; v. esp. Naz.42a quot. in preced.) 1) (nitron,) natron, native carbonate of soda (v. Sm. Bibl. Dict. s. v. Nitre, a. Sm. Ant. s. v. Nitron). Sabb.IX, 5; Nidd.IX, 6. Ib. 62a; Sabb.90a, v. אֲלֶכְסַנְדְּרִי a. אַנְטִיפַּטְרִית; a. e. 2) כלי נ׳ a vessel made of alum crystals. Kel. II, 1. Ab. Zar.33b (expl. כלי מחפורתוכ׳, v. מַחְפּוֹרֶת); a. fr. (v., however, Maim. to Kel. l. c.