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Heat

Definition: A force in nature which is recognized in various effects, but
especially in the phenomena of fusion and evaporation, and which, as
manifested in fire, the sun's rays, mechanical action, chemical
combination, etc., becomes directly known to us through the sense of
feeling. In its nature heat is a mode if motion, being in general a
form of molecular disturbance or vibration. It was formerly supposed to
be a subtile, imponderable fluid, to which was given the name caloric.

Heat

Definition: The sensation caused by the force or influence of heat when
excessive, or above that which is normal to the human body; the bodily
feeling experienced on exposure to fire, the sun's rays, etc.; the
reverse of cold.

Heat

Definition: High temperature, as distinguished from low temperature, or
cold; as, the heat of summer and the cold of winter; heat of the skin
or body in fever, etc.

Heat

Definition: Indication of high temperature; appearance, condition, or
color of a body, as indicating its temperature; redness; high color;
flush; degree of temperature to which something is heated, as indicated
by appearance, condition, or otherwise.

Heat

Definition: A single complete operation of heating, as at a forge or in a
furnace; as, to make a horseshoe in a certain number of heats.

Heat

Definition: A violent action unintermitted; a single effort; a single
course in a race that consists of two or more courses; as, he won two
heats out of three.

Heat

Definition: Utmost violence; rage; vehemence; as, the heat of battle or
party.

Heat

Definition: Agitation of mind; inflammation or excitement; exasperation.

Heat

Definition: Animation, as in discourse; ardor; fervency.

Heat

Definition: Sexual excitement in animals.

Heat

Definition: Fermentation.

Heat

Definition: To make hot; to communicate heat to, or cause to grow
warm; as, to heat an oven or furnace, an iron, or the like.

Heat

Definition: To excite or make hot by action or emotion; to make
feverish.

Heat

Definition: To excite ardor in; to rouse to action; to excite to
excess; to inflame, as the passions.

Heat

Definition: To grow warm or hot by the action of fire or friction,
etc., or the communication of heat; as, the iron or the water heats
slowly.

Heat

Definition: To grow warm or hot by fermentation, or the development of
heat by chemical action; as, green hay heats in a mow, and manure in
the dunghill.

Heat

Definition: Heated; as, the iron though heat red-hot.