leaven

n. புரையூட்டுப்பொருள், மாவு புளிப்பாக்கும் பொருள், ஊடுபரவி உள்ளிருந்து மாற்றுதற்குரிய திறம், உள்ளார்ந்த நுண்திறக்கூறு, (வினை) புளிப்புப்பொருள் சேர்த்து மாவைப்புளிக்கவை, ஊடுருவிப் பரவிமாற்று, பக்குவப்படுத்தும் பொருள் சேர்த்து மாற்றியமை.

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Leav"en, n. Etym: [OE. levain, levein, F. levain, L. levamen alleviation, mitigation; but taken in the sense of, a raising, that which raises, fr. levare to raise. See Lever, n.] 1. Any substance that produces, or is designed to produce, fermentation, as in dough or liquids; esp., a portion of fermenting dough, which, mixed with a larger quantity of dough, produces a general change in the mass, and renders it light; yeast; barm. 2. Anything which makes a general assimilating (especially a corrupting) change in the mass. Beware of the leaven of the Pharisees, which is hypocrisy. Luke xii. 1. Leav"en, v. t. [imp. & p. p. Leavened; p. pr. & vb. n. Leavening.] 1. To make light by the action of leaven; to cause to ferment. A little leaven leaveneth the whole lump. 1 Cor. v. 6. 2. To imbue; to infect; to vitiate. With these and the like deceivable doctrines, he leavens also his prayer. Milton.

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