Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun thermal

1 sense of thermal

Sense 1
thermal -- (rising current of warm air)
       => wind, air current, current of air -- (air moving (sometimes with considerable force) from an area of high pressure to an area of low pressure; "trees bent under the fierce winds"; "when there is no wind, row"; "the radioactivity was being swept upwards by the air current and out into the atmosphere")

Antonyms of adj thermal

2 of 3 senses of thermal

Sense 1
thermal (vs. nonthermal), thermic, caloric -- (relating to or associated with heat; "thermal movements of molecules"; "thermal capacity"; "thermic energy"; "the caloric effect of sunlight")

nonthermal (vs. thermal) -- (not involving heat; "nonthermal luminescence")

Sense 3
thermal -- (caused by or designed to retain heat; "a thermal burn"; "thermal underwear")

INDIRECT (VIA hot) -> cold -- (having a low or inadequate temperature or feeling a sensation of coldness or having been made cold by e.g. ice or refrigeration; "a cold climate"; "a cold room"; "dinner has gotten cold"; "cold fingers"; "if you are cold, turn up the heat"; "a cold beer")

Similarity of adj thermal

3 senses of thermal

Sense 1
thermal (vs. nonthermal), thermic, caloric -- (relating to or associated with heat; "thermal movements of molecules"; "thermal capacity"; "thermic energy"; "the caloric effect of sunlight")

Sense 2
thermal -- (of or relating to a hot spring; "thermal water")

Sense 3
thermal -- (caused by or designed to retain heat; "a thermal burn"; "thermal underwear")
       => hot (vs. cold) -- (used of physical heat; having a high or higher than desirable temperature or giving off heat or feeling or causing a sensation of heat or burning; "hot stove"; "hot water"; "a hot August day"; "a hot stuffy room"; "she's hot and tired"; "a hot forehead")

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