Subscriber login


Forgot your password?

Library card login

Other

thermal

Syllabification: (ther·mal)
Pronunciation: /ˈTHərməl/

Translate thermal | into French | into German | into Italian | into Spanish
Definition of thermal

adjective

  • of or relating to heat.
  • another term for geothermal.
  • (of a garment) made of a fabric that provides exceptional insulation to keep the body warm:thermal underwear

noun

  • 1an upward current of warm air, used by gliders, balloons, and birds to gain height.
  • 2 (usually thermals) a thermal garment, especially underwear.

Derivatives

thermally

adverb

Origin:

mid 18th century (in the sense 'relating to hot springs'): from French, from Greek thermē 'heat'

thermal in other Oxford dictionaries

Definition of thermal in the British & World English dictionary

Nearby words

  |  Cite

More words in this category

Word of the day

merrythought

/ /
noun
the wishbone of a bird …