Word.ws English Dictionary

ultracooled

ultracooled adjective: cooled to a very low temperature.

Adjective

ultracooled (not comparable)

  1. Cooled to a very low temperature.
    • In 1999, Dr. Hau headed a team of scientists that slowed light, which travels a brisk 186,282 miles a second when unimpeded, to a leisurely 38 miles an hour by shining it into an exotic, ultracooled cloud of sodium atoms.2007 February 8, Kenneth Chang, “Wizardry at Harvard: Physicists Move Light”, in New York Times

Origin of ultracooled

From ultra- + cooled.

Questions about ultracooled

What does ultracooled mean?
Ultracooled means cooled to a very low temperature.
What part of speech is ultracooled?
Ultracooled is an adjective.

Words near ultracooled in the dictionary

  1. ultracontractivity
  2. ultracontroversial
  3. ultraconvenience
  4. ultraconvenient
  5. ultracool
  6. ultracooled
  7. ultracordial
  8. ultracosmic
  9. ultracosmopolitan
  10. ultracredulous
  11. ultracrepidarian

Source and license

Adapted from Wiktionary: ultracooled (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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