Definition of THERMAL

thermal

Meanings

Plural: thermals

Noun

  • rising current of warm air
  • A column of rising air in the lower atmosphere created by uneven heating of a planet's surface.

Adjective

  • relating to or associated with heat
    • "thermal movements of molecules"
    • "thermal capacity"
  • of or relating to a hot spring
    • "thermal water"

Adjective Satellite

  • caused by or designed to retain heat
    • "a thermal burn"
    • "thermal underwear"

Adj

  • Pertaining to heat or temperature.
  • Providing efficient insulation so as to keep the body warm.
  • Caused or brought about by heat.
  • Having a rough finish from treatment with a blowtorch.

Verb

  • To create a rough finish on stone by treating it with a high-temperature blowtorch.
  • To fly an unpowered aircraft in a thermal (column of rising air).

Origin / Etymology

From French thermal, from New Latin *thermalis, from Ancient Greek θέρμη (thérmē, “heat”), from Proto-Indo-European *gʷʰer- (“to heat, warm”).

Synonyms

caloric, thermal column, thermic

Antonyms

nonthermal

Scrabble Score: 12

thermal is a valid Scrabble (US) TWL word
thermal is a valid Scrabble Word in Merriam-Webster MW Dictionary
thermal is a valid Scrabble Word in International Collins CSW Dictionary

Words With Friends Score: 13

thermal is a valid Words With Friends word