Page:The Readable Dictionary.djvu/46

10 has been adapted, and if the air in the tube be suddenly condensed by a heavy stroke of a hammer on the end of the piston, the heat disengaged from the air will ignite the tinder.

is the condition of a substance in relation to sensible heat.

, moderately heated.

Warmth, the sensation caused by heat.

, highly heated.

, moderately warm; as, a tepid bath.

, free from the extremes of heat and cold; as a temperate climate.

, to boil with heat (L.) Hence,

Fervor, heat; as, the fervor of a summer's day. Fig., great warmth of the kindly affections; as, the fervor of love.

Fervent, hot. (Applied both literally and figuratively.) The elements shall melt with fervent heat. He was animated by a fervent zeal.

Fervid, very warm; as, a fervid radiance; a fervid imagination.

, excessively hot and close. (Spoken of the state of the atmosphere.)

To is to be overcome and faint with heat.

, to roast. (L.) Hence,

Torrid, parched with excessive heat; as, a torrid clime.

, to be hot. (L.) Hence,

Caloric, the element of heat.

Calorific, causing heat.

[THERMOS], warm. (Gr.) Hence,

Thermal, 1. Pertaining to, or producing heat; as, thermal rays. 2. Warm or hot; as, a thermal spring.

Thermometer, an instrument for measuring heat. (Gr., [metreo], to measure.)

Isothermal, having equal degrees of heat. (Gr., [isos], equal.)

is the element of heat.

A Bonfire is a fire made as an expression of public joy. (Fr., bon, good.)

A Balefire is a signal fire.

, fire. (L.) Hence,

Igneous, 1. Fiery. Sparks emitted from burning substances are igneous particles. 2. Originating in the action of fire.

Ignite, to set on fire. A lucifer match may be ignited by friction.

[], fire. (Gr.) Hence,

Pyrometer, an instrument for measuring the intensity of the heat of furnaces. (Gr., [metreo], to measure.

Pyrotechnics, the art of preparing fire-works for public amusement. (Gr., [techne], art.)

Pyroligneous, produced by the action of fire on wood. (L., lignum, wood. )

To is to change essentially the nature of a substance by subjecting it to the action of fire.

[combustum], to burn. (L.) Hence,

Combustion, the particular kind of burning which such substances as wood, coal, and oil undergo when subjected to action of fire.

Combustible, any substance that may be burned after the manner of wood, etc.

A consists of burning vapor.

To Inflame is, 1. To cause to burn with a flame. 2. To cause heat and redness in any part of an animal body. 3. And fig., to excite the