| dead heat |
a race that ends in a tie between two or more contestants. |
| heat exchanger |
a device, such as automobile radiator, for transferring heat from a fluid on one side of a barrier to a fluid on the other side. |
| heat exhaustion |
a condition caused by excessive heat and characterized by dizziness, nausea, profuse sweating, and often complete collapse; heat prostration. |
| heat lightning |
lightning without thunder, seen esp. on hot evenings and believed to be reflections of more distant lightning. |
| heat prostration |
see "heat exhaustion." |
| heat pump |
a device for heating or cooling a building by transferring heat from a low-temperature reservoir by means of a compressor and a heat exchanger. |
| heat rash |
an acute skin condition resulting from inflammation of the sweat glands; miliaria. |
| heat up |
to make or become warm or hot. |
| heat wave |
a period of unusually hot weather. |
| prickly heat |
inflammation of the sweat glands; miliaria. |
| red heat |
the temperature at which something glows red. |
| steam heat |
heat obtained by the circulation of steam in a closed system of pipes and radiators. |
| white heat |
a heat so intense that a substance glows white. [2 definitions] |