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said of certain spiral shells in which the apex naturally drops off. Truncated cone or pyramid (Geom.), a cone or pyramid whose vertex is cut off by a plane, the plane being usually parallel to the base.

of cheese, by the action of boiling acids, etc. Chemically, it consists of oxyphenol and amidopropionic acid, and by decomposition yields oxybenzoic acid, or some other benzol derivative. [Written also tyrosine.]

t trees Planted, with walks and bowers. Milton. He had walk for a hundred sheep. Latimer. Amid the sound of steps that beat The murmuring walks like rain. Bryant.

casks stowed in the wings of a vessel's hold, being smaller than such as are stowed more amidships. Totten.

d World passerine birds belonging to the genus Artamus and allied genera of the family Artamidæ. They are common in the East Indies, Asia, and Australia. In form and habits they resemble swallows, but in structure they resemble shrikes. They are usually black above and white beneath. -- Wood tapper (Zoöl.), any woodpe…

sabled or sunk by the force of winds or waves; shipwreck. Hard and obstinate As is a rock amidst the raging floods, 'Gainst which a ship, of succor desolate, Doth suffer wreck, both of herself and goods. Spenser.

Pertaining to, derived from, designating, certain amido compounds obtained by reducing certain nitro derivatives of diphenyl.

rived from metaxylene, two from orthoxylene, and one from paraxylene. They are called the amido xylenes.

resembling pyroxylin, obtained by the action of nitric acid on starch; -- called also nitramidin.

r. To its ends lines are attached which lead forward so that the boat can be steered from amidships.

A temple tower of the Babylonians or Assyrians, consisting of a lofty pyramidal structure, built in successive stages, with outside staircases, and a shrine at the top.

substance, Zn(NH2)2, obtained by the action of ammonia on zinc ethyl; -- called also zinc amide. -- Zinc amyle (Chem.), a colorless, transparent liquid, composed of zinc and amyle, which, when exposed to the atmosphere, emits fumes, and absorbs oxygen with rapidity. -- Zinc blende Etym: [cf. G. zinkblende] (Min.), a…

A double eight-sided pyramid, a form common with tetragonal crystals; -- so called because this form often occurs in crystals of zircon.