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Consisting of mud or earth; gross; impure. This muddy vesture of decay. Shak.

g to the mind or view something which delicacy, purity, and decency forbid to be exposed; impure; as, obscene language; obscene pictures. Words that were once chaste, by frequent use grew obscene and uncleanly. I. Watts.

words or things which presents what is offensive to chasity or purity of mind; obscene or impure lanquage or acts; moral impurity; lewdness; obsceneness; as, the obscenity of a speech, or a picture. Mr.Cowley asserts plainly, that obscenity has no place in wit. Dryden. No pardon vile obscenity should find. Pope.…

A impure earthy ore of iron or a ferruginous clay, usually red (hematite) or yellow (limonite), -- used as a pigment in making paints, etc. The name is also applied to clays of other colors.

A massive impure apatite, or calcium phosphate.

To make foul, impure, or unclean; to defile; to taint; to soil; to desecrate; -- used of physical or moral defilement. The land was polluted with blood. Ps. cvi. 38 Wickedness . . . hath polluted the whole earth. 2 Esd. xv. 6.

Defiled; made unclean or impure; debauched. -- Pol*lut"ed*ly, adv. -- Pol*lut"ed*ness, n.

Impure zinc oxide.

The impure potassium carbonate obtained by leaching wood ashes, either as a strong solution (lye), or as a white crystalline (pearlash).

Unclean; impure; polluted; unholy. Nothing is profane that serveth to holy things. Sir W. Raleigh.

single, simple sound or tone; -- said of some vowels and the unaspirated consonants. Pure-impure, completely or totally impure. "The inhabitants were pure-impure pagans." Fuller. -- Pure blue. (Chem.) See Methylene blue, under Methylene. -- Pure chemistry. See under Chemistry. -- Pure mathematics, that portion of ma…

To cleanse, clear, or purify by separating and carrying off whatever is impure, heterogeneous, foreign, or superfluous. "Till fire purge all things new." Milton.

of purifying; the act or operation of separating and removing from anything that which is impure or noxious, or heterogeneous or foreign to it; as, the purification of liquors, or of metals.

ignating, the acid liquid obtained in the distillation of wood, consisting essentially of impure acetic acid.

The button, globule, or mass of metal, in a more or less impure state, which forms in the bottom of the crucible in smelting and reduction of ores.

To cut off; to abrogate; to annul. The blessed Jesus . . . did sacramentally rescind the impure relics of Adam and the contraction of evil customs. Jer. Taylor.

One of the blessed in heaven. Then shall thy saints, unmixed, and from the impure Far separate, circling thy holy mount, Unfeigned hallelujahs to thee sing. Milton.

Salt. Sal absinthii Etym: [NL.] (Old Chem.), an impure potassium carbonate obtained from the ashes of wormwood (Artemisia Absinthium). -- Sal acetosell\'91 Etym: [NL.] (Old Chem.), salt of sorrel. -- Sal alembroth. (Old Chem.) See Alembroth. -- Sal ammoniac (Chem.), ammonium chloride, NH4Cl, a white crystalline vola…

To take the scum from; to clear off the impure matter from the surface of; to skim. You that scum the molten lead. Dryden & Lee.

Impure dark-colored sulphuric acid that has been used in the refining of petroleum.