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hich but half the hydrogen of the acid is replaced by a positive element or radical, thus making the proportion of the acid to the positive or basic portion twice what it is in the normal sulphates; an acid sulphate.

Any preparation for making things black; esp. one for giving a black luster to boots and shoes, or to stoves.

A kind of wood-turning lathe for making noncircular and irregular forms, as felloes, gun stocks, lasts, spokes, etc., after a given pattern. The pattern and work rotate on parallel spindles in the same direction with the same speed, and the work is shaped by a rapidly rotating cutter whose position is varied by the pat…

Making blind or as if blind; depriving of sight or of understanding; obscuring; as, blinding tears; blinding snow.

A variety of clay ironstone, in Staffordshire, England, used for making tools.

The process of making blooms from the ore or from cast iron.

To frighten or deter from accomplishing a purpose by making a show of confidence in one's strength or resources; as, he bluffed me off. [Colloq.]

nder and stumble. I was never distinguished for address, and have often even blundered in making my bow. Goldsmith. Yet knows not how to find the uncertain place, And blunders on, and staggers every pace. Dryden. To blunder on. (a) To continue blundering. (b) To find or reach as if by an accident involving more or less…

To dull the edge or point of, by making it thicker; to make blunt. Shak.

To render obscure by making the form or outline of confused and uncertain, as by soiling; to smear; to make indistinct and confused; as, to blur manuscript by handling it while damp; to blur the impression of a woodcut by an excess of ink. But time hath nothing blurred those lines of favor Which then he wore. Shak.…

A small pin, or cylinder, formerly of bone, now most commonly of wood, used in the making of pillow lace. Each thread is wound on a separate bobbin which hangs down holding the thread at a slight tension.

An implement of steel, bone, ivory, etc., with a sharp point, for making holes by piercing; a

, dug up from peat bogs. It is of a shining black or ebony color, and is largely used for making ornaments.

A place and apparatus for boiling, as for evaporating brine in salt making.

grant evergreen shrub of Chili (Peumus Boldus). The bark is used in tanning, the wood for making charcoal, the leaves in medicine, and the drupes are eaten.

stance composed of ground bone, mineral matters, etc., hardened by pressure, and used for making billiard balls, boxes, etc.

to be settled (with some one). -- Bone ash, the residue from calcined bones; -- used for making cupels, and for cleaning jewelry. -- Bone black (Chem.), the black, carbonaceous substance into which bones are converted by calcination in close vessels; -- called also animal charcoal. It is used as a decolorizing materi…

Rushing with violence; swelling with a hollow sound; making a hollow sound or note; roaring; resounding. O'er the sea-beat ships the booming waters roar. Falcone.

who is endeavoring to climb); to push up; hence, to assist in overcoming obstacles, or in making advancement. [Colloq. U. S.]

gray crystalline salt, with a slight alkaline taste, used as a flux, in soldering metals, making enamels, fixing colors on porcelain, and as a soap. It occurs native in certain mineral springs, and is made from the boric acid of hot springs in Tuscany. It was originally obtained from a lake in Thibet, and was sent to E…