noun

heat

heat, warmth, heating, qualifying round

The heat from the sun is strong.

The heat from the sun is strong.

Turn on the heat, it's cold.

Turn on the heat, it's cold.

He won the first heat of the race.

He won the first heat of the race.

the heat ((of/from sth.)) - warmth from a source. The heat from the sun is strong.

turn on/off the heat - to operate a heating system. Turn on the heat, it's cold.

Synonyms: warmth, temperature; Antonyms: cold, coldness

From Old English 'hǣtu', related to 'hot'.

'Heat' is what makes things 'hot'.

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