Verb

unterkühlen

Translation

to supercool, to become hypothermic, to chill excessively

Der Wanderer war stark unterkühlt.

The hiker was severely hypothermic.

Man kann Wasser unter den Gefrierpunkt unterkühlen.

You can supercool water below freezing point.

((j-n / sich)) unterkühlen to make (sb.) hypothermic / to become hypothermic He became hypothermic in the cold water.

((et4)) unterkühlen to supercool (sth.) In the lab, they supercool the liquid.

Synonyms: auskühlen (to cool down completely), erkalten (to grow cold); Antonyms: erwärmen (to warm up), aufheizen (to heat up)

From 'unter' (under, below) and 'kühlen' (to cool). Literally 'to cool below' a certain point. This is an inseparable verb.

Think of body temperature going 'under' the normal level. The adjective 'unterkühlt' can also mean 'frosty' or 'unfriendly' in a figurative sense.