נֵפְטְ, (prob. a transpos. of נטף, a readaptation of νάφθα) naphtha. Sabb. II, 2. Ib. 26ᵃ אין מדליקין בנ׳ לבן וכ׳ white naphtha must not be used for lighting … because it is explosive. Ib. ומה יעשו … אלא נ׳ and what shall the Cappadocians do who have … only naphtha? Yoma 38ᵇ, sq. Y. Snh. VII, 24ᵇ bot. (v. שְׂרֵפָה) בפתילה של נ׳ the Mishnah, describing capital punishment by burning, means a wick saturated with naphtha. Y. Sot. VII, beg. 22ᵇ אש כנגד נ׳ שלהן ‘fire’ (Ps. XVIII, 13) corresponds to the arrows of the human armies tipped in naphtha; Pesik. R. s. 17 רמה בהן נ׳ he (the besieger) throws naphtha &c. (βέλη πυροφόρα or πυροβόλα).