חִלְחֵל (b. h.; Pilp. of חלל) 1) to penetrate into cavities; to perforate. Sot. 7ᵇ; Num. R. s. 9 מְחַלְחֵל ויורד (the powder on a wound) penetrates and goes down (into the body). Gen. R. s. 98 ריסו מח׳ וכ׳ its venom penetrates (the body of the bitten one) after (the serpent’s) death. —2) to shake, roll (in a vessel &c.); to rinse. Makhsh. III, 6 ח׳ לתוכן if he washed olives by rolling them in the rain water.—Part. pass. מְחוּלְחָל, f. מְחוּלְחֶלֶת hollow, blown up; loosely put in. Oh. IX, 7 כלי מח׳ a hollow vessel (not packed entirely), opp. אֲפוּצָה. Kel. X, 3 מגופת החבית המח׳ וכ׳ (Bart. המִתְחַלְחֶ׳) the stopper of a keg which can be moved around, without, however, falling out of itself. Teb. Yom I, 1; a. fr.
    Hithpalp. - הִתְחַלְחֵל, , Nithpalp. נִתְהַלְחֵל 1) to permeate. Num. R. s. 9 שהם מִתְחַלְחֲלִים וכ׳ that they will permeate all her limbs. —2) to be shaken in a hollow space, to be thrown about. Mikv. IV, 3 היו צרורות מתח׳ וכ׳ if pebbles rolled about in the spout. —3) to be permeated (with poison) to be affected, injured. Y. B. Kam. I, beg. 2ᵇ ונתח׳ כולו and the whole of it is damaged (by the heat &c.). —4) (cmp. חָלָה) to be weakened, be neutralized. Y. Ter. VIII, 46ᵃ top ע"י מליחה מתח׳ through salting it, the poison is neutralized.