Meaning of THERMAL in English

THERMAL

adj. & n.

--adj.

1. of, for, or producing heat.

2 promoting the retention of heat (thermal underwear).

--n. a rising current of heated air (used by gliders, balloons, and birds to gain height).

Phrases and idioms:

British thermal unit the amount of heat needed to raise

1. lb. of water at maximum density through one degree Fahrenheit, equivalent to 1.055 x 10(3) joules. thermal capacity the number of heat units needed to raise the temperature of a body by one degree. thermal neutron a neutron in thermal equilibrium with its surroundings. thermal reactor a nuclear reactor using thermal neutrons. thermal springs springs of naturally hot water. thermal unit a unit for measuring heat.

Derivatives:

thermalize v.tr. & intr. (also -ise). thermalization n. thermally adv.

Etymology: F (as THERM)

Oxford English vocab.      Оксфордский английский словарь.