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Word of the day

pyrophoric

[ pahy-ruh-fawr-ik ] [ ˌpaɪ rəˈfɔr ɪk ] Show IPA Phonetic Respelling

adjective

capable of igniting spontaneously in air

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Why Dictionary.com chose pyrophoric

More about pyrophoric

  • First recorded in 1780–90.
  • From the Greek DZóDz, meaning “fire-bearing;” combines , meaning “fire,” + -phore, meaning “bearer of,” + .

EXAMPLES OF PYROPHORIC

  • The scientist handled the pyrophoric material with extreme caution to avoid accidental ignition.
  • The chemical only showed pyrophoric properties above a certain temperature.
20240103
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SYNONYM OF THE DAY
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Word of the day

ablactate

[ ab-lak-teyt ] [ æbˈlæk teɪt ] Show IPA Phonetic Respelling

verb

to wean

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Why Dictionary.com chose ablactate

More about ablactate

  • First recorded in 1750–60.
  • Combines the prefix -⁷, meaning “away from,” + ٲٱ¹, from the Latin , meaning “to give milk.”

EXAMPLES OF ABLACTATE

  • The parents decided to ablactate their twins, following their pediatrician’s advice. 
  • The zookeepers ablactated the tiger cubs by introducing soft food over a few weeks.
20240103
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Word of the day

behemoth

[ bih-hee-muhth ] [ bɪˈhi məθ ] Show IPA Phonetic Respelling

noun

any creature or thing of monstrous size or power

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Why Dictionary.com chose behemoth

More about behemoth

  • First recorded between 1350–1400.
  • From Hebrew əŧōٳ, meaning “beasts,” where the plural form was likely used to indicate greatness rather than number.

EXAMPLES OF BEHEMOTH

  • The museum’s centerpiece, a behemoth dinosaur skeleton, towers over visitors.
  • The company became a behemoth, swallowing up smaller companies with ease.
20240103
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Word of the Day Calendar