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A variety of potash mica containing water. It is less elastic than ordinary muscovite. Hydromica schist (Min.), a mica schist characterized by the presence of hydromica. It often has a silky luster and almost soapy feel.

hydrogen sulphide by the replacement of half its hydrogen by a base or basic radical; as, potassium hydrosulphide, KSH. The hydrosulphides are analogous to the hydrates and include the mercaptans.

Readily absorbing and retaining moisture; as, hygrometric substances, like potash.

or transcending physical laws; supernatural. Those who do not fly to some hyperphysical hypothesis. Sir W. Hamilton.

Destitute of strength, whether of body or mind; feeble; impotent; esp., mentally wea; feeble-minded; as, hospitals for the imbecile and insane.

Without stain or blemish; spotless; undefiled; clear; pure. Were but my soul as pure From other guilt as that, Heaven did not hold One more immaculate. Denham. Thou sheer, immaculate and silver fountain. Shak. Immaculate conception (R. C. Ch.), the doctrine that the Virgin Mary was conceived without original sin. -- I…

nt; unreasonably solicitous; overpressing in request or demand; urgent; teasing; as, an impotunate petitioner, curiosity. Whewell.

member to have seen opened and improved. Addison. The court seldom fails to improve the oppotunity. Blackstone. How doth the little busy bee Improve each shining hour. I. Watts. Those moments were diligently improved. Gibbon. True policy, as well as good faith, in my opinion, binds us to improve the occasion. Washingto…

Weak; impotent; feeble.

In being; actually existing; -- distinguished from in posse, or in potentia, which denote that a thing is not, but may be.

qual; matchless; peerless; transcendent. A merchant of incomparable wealth. Shak. A new hypothesis . . . which hath the incomparable Sir Isaac Newton for a patron. Bp. Warburton. -- In*com"pa*ra*ble*ness, n. -- In*com"pa*ra*bly, adv. Delights incomparably all those corporeal things. Bp. Wilkins.

into red and blue indigo (urrhodin and uroglaucin). Chemically, it is indoxyl sulphate of potash, C8H6NSO4K, and is derived from the indol formed in the alimentary canal. Called also uroxanthin.

from albuminous matter, together with skatol, by putrefaction, and by fusion with caustic potash, and is present in human excrement, as well as in the intestinal canal of some herbivora.

; not having power to produce the effect desired; inadequate; incompetent; inefficient; impotent. Boyle. The authority of Parliament must become inefficacious . . . to restrain the growth of disorders. Burke.

apis infernalis), lunar caustic; formerly so called. The name was also applied to caustic potash.

Exerting or possessing influence or power; potent; efficacious; effective; strong; having authority or ascendency; as, an influential man, station, argument, etc. A very influential Gascon prefix. Earle.

es when speaking fails. Shak. Banished from man's life his happiest life, Simplicity and spotless innocence! Milton.

A complex nitrogenous substance, which, by Hermann's hypothesis, is continually decomposed and reproduced in the muscles, during their life.

ly in the muscles of the heart and lungs, also in some plants, as in unripe pease, beans, potato sprouts, etc. Called also phaseomannite.

An intermediate depot or station between one commercial city or country and another. Mitford.