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A hard or thickened spot or protuberance; a hardening and thickening of the skin or bark of a part, eps. as a result of continued pressure or friction.

The great band commissural fibers which unites the two cerebral hemispheres. See corpus callosum, under Carpus.

A plant coif or skullcap. Same as Calotte. B. Jonson.

Hardenes; indurated. "A callous hand." Goldsmith. "A callous ulcer." Dunglison.

tute of feathers; naked; unfledged. An in the leafy summit, spied a nest, Which, o'er the callow young, a sparrow pressed. Dryden.

Same as Callosity. (b

or waves; tranquility; stilness; quiet; serenity. The wind ceased, and there was a great calm. Mark. iv. 39. A calm before a storm is commonly a peace of a man's own making. South.

One who, or that which, makes calm.

In a calm manner. The gentle stream which calmly flows. Denham.

The state of quality of being calm; quietness; tranquillity; self-repose. The gentle calmness of the flood. Denham. Hes calmness was the repose of conscious power. E. Everett.

; sing. Calmuck. A branch of the Mongolian race inbabiting parts of the Russian and Chinese empires; also (sing.), the language of the Calmucks. [Written also Kalmucks.]

Tranquil; peaceful; calm. [Poet.] "A still and calmy day" Spenser.

Mild chloride of mercury, Hg

The conversion of obscure radiant heat info kight; the transmutation of rays of heat into others of higher refrangibility. Tyndall.

- not now used in scientific nomenclature, but sometimes used as a general term for heat. Caloric expands all bodies. Henry.

A faculty in animals of developing and preserving the heat nesessary to life, that is, the animal heat.

A tube or duct for conducting heat; a caliduct.

The unit of heat according to the Frensc standard; the amount of heat requires to raise the temperature of one kilogram (sometimes, one gram) of water one degree centigrade, or from 0Foot pound.

See Calorificient.

An apparatus for conveying and distributing heat, especially by means of hot water circulating in tubes.