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s an objective reality; esp., a theory of evolution which considers that variation may be purely fortuitous.

y the old masters as a middle or neutral tint for flesh, skies, and draperies, being of a purer and tenderer gray that produced by the mixture of more positive colors. Fairholt.

Not adulterated; pure. "Unadulterate air." Cowper. -- Un`a*dul"ter*ate*ly, adv.

Not alloyed; not reduced by foreign admixture; unmixed; unqualified; pure; as, unalloyed metals; unalloyed happiness. I enjoyed unalloyed satisfaction in his company. Mitford.

Not blemished; pure; spotless; as, an unblemished reputation or life. Addison.

Not made by brewing; unmixed; pure; genuine. [R.] Young.

Ceremonially impure; needing ritual cleansing. He that toucheth the dead body of any man shall be unclean seven days. Num. xix. 11.

To be the bearer of; to possess. [Obs.] Their virtues else, be they as pure as grace, As infinite as man may undergo. Shak.

Not defiled; pure. [Obs.] Surrey.

England and in the United States, is the quantity of heat necessary to raise one pound of pure water at and near its temperature of greatest density (39.1º Fahr.) through one degree of the Fahrenheit scale. Rankine. -- Unit of illumination, the light of a sperm candle burning 120 grains per hour. Standard gas, burning…

Not sincere or pure; insincere. [Obs.] Dryden. -- Un`sin*cere"ness, n. [Obs.]

The quality or state of being unsincere or impure; insincerity. [Obs.] Boyle.

Not sophisticated; pure; innocent; genuine. -- Un`so*phis"ti*ca`ted*ness, n.

Not vitiated; pure.

Not blemished; undefiled; pure. [Obs.] Wyclif. With body clean and with unwemmed thought. Chaucer.

, earthy incrustation, consisting essentially of the oxide of uranium, but more or less impure.

To open and expose to the free passage of air; to supply with fresh air, and remove impure air from; to air; as, to ventilate a room; to ventilate a cellar; to ventilate a mine.

the state of being ventilated; the art or process of replacing foul air by that which is pure, in any inclosed place, as a house, a church, a mine, etc.; free exposure to air. Insuring, for the laboring man, better ventilation. F. W. Robertson.

l or stagnant air from any place or apartment, or for introducing that which is fresh and pure.

t; to dress; to robe; to cover, surround, or encompass closely. Came vested all in white, pure as her mind. Milton. With ether vested, and a purple sky. Dryden.