Origin of heat

before 900; Middle English hete, Old English hǣtu; akin to German Hitze; see hot


Example sentences from the Web for heating

British Dictionary definitions for heating (1 of 2)

/ (ˈhiːtɪŋ) /


a device or system for supplying heat, esp central heating, to a building
the heat supplied

British Dictionary definitions for heating (2 of 2)

/ (hiːt) /



to make or become hot or warm
to make or become excited or intense

Derived forms of heat

heatless, adjective

Word Origin for heat

Old English hǣtu; related to hāt hot, Old Frisian hēte heat, Old High German heizī

Medical definitions for heating

[ hēt ]


A form of energy associated with the motion of atoms or molecules and capable of being transmitted through solid and fluid media by conduction, through fluid media by convection, and through empty space by radiation.
The sensation or perception of such energy as warmth or hotness.
An abnormally high bodily temperature, as from a fever.

Scientific definitions for heating

[ hēt ]

Internal energy that is transferred to a physical system from outside the system because of a difference in temperature and does not result in work done by the system on its surroundings. Absorption of energy by a system as heat takes the form of increased kinetic energy of its molecules, thus resulting in an increase in temperature of the system. Heat is transferred from one system to another in the direction of higher to lower temperature. See also thermodynamics. See Note at temperature.
See estrus.

Cultural definitions for heating


In physics, a form of energy associated with the movement of atoms and molecules in any material. The higher the temperature of a material, the faster the atoms are moving, and hence the greater the amount of energy present as heat. (See infrared radiation.)

Idioms and Phrases with heating