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A fossil bivalve mollusk of the genus Hippurites, of many species, having a conical, cup-shaped under valve, with a flattish upper valve or lid. Hippurites are found only in the Cretaceous rocks.

A soft black, iron ore, nearly earthy, a hydrous silicate of iron.

Meteoric iron; a meteorite consisting of metallic iron without stony matter.

Having a fierly spirit; hot-headed.

A salt of hypochlorous acid; as, a calcium hypochloride.

he is; a false pretender to virtue or piety; one who simulates virtue or piety. The hypocrite's hope shall perish. Job viii. 13. I dare swear he is no hypocrite, but prays from his heart. Shak.

Hypocritically. [R.] Sylvester.

A salt of hyponitrous acid.

Unmerited. [Obs.] Charles I.

Silver iodide, a mineral of a yellowish color.

The third joint or the antennæ of the Crustacea.

One of the fossil Coniferæ, evidently allied to the juniper.

See Cerargyrite.

A compound in which tar or asphaltum combined with animal or vegetable oils is vulcanized by sulphur, the product closely resembling rubber; -- used principally as an insulating material in telegraphy. Knight.

Hydrous sulphate of magnesia found at the salt mines of Stassfurt, Prussian Saxony.

A kind of feldspar commonly showing a beautiful play of colors, and hence much used for ornamental purposes. The finest specimens come from Labrador. See Feldspar.

A broad-leafed fossil alga.

An argillaceous sandstone, of a red color, and much seamed; -- found in India.

A rare sulphide of osmium and ruthenium found with platinum in Borneo and Oregon.

gious institute founded by Vincent de Paul in 1624, and popularly called Lazarists or Lazarites from the College of St. Lazare in Paris, which was occupied by them until 1792.