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There are 12 twelve-letter words containing HYDROGEN

ANTIHYDROGENantihydrogen n. (Physics, uncountable) The antimatter equivalent of hydrogen, consisting of an antiproton and an positron…
antihydrogen n. (Physics, countable) An atom of the antimatter equivalent of hydrogen.
ANTIHYDROGEN n. an antimatter form of hydrogen.
HYDROGENASEShydrogenases n. Plural of hydrogenase.
HYDROGENASE n. an enzyme that catalyzes hydrogen formation in certain microorganisms.
HYDROGENATEDhydrogenated v. Simple past tense and past participle of hydrogenate.
hydrogenated adj. That has been treated, or reacted with hydrogen; especially describing a saturated fat so obtained from…
HYDROGENATE v. to combine or treat with hydrogen.
HYDROGENATEShydrogenates v. Third-person singular simple present indicative form of hydrogenate.
HYDROGENATE v. to combine or treat with hydrogen.
HYDROGENATORhydrogenator n. (Chemistry) A device that hydrogenates.
HYDROGENATOR n. an agent that hydrogenates.
HYDROGENISEDhydrogenised v. Simple past tense and past participle of hydrogenise.
HYDROGENISE v. to hydrogenate, also HYDROGENIZE.
HYDROGENISEShydrogenises v. Third-person singular simple present indicative form of hydrogenise.
HYDROGENISE v. to hydrogenate, also HYDROGENIZE.
HYDROGENIZEDhydrogenized v. Simple past tense and past participle of hydrogenize.
HYDROGENIZE v. to hydrogenate, also HYDROGENISE.
HYDROGENIZEShydrogenizes v. Third-person singular simple present indicative form of hydrogenize.
HYDROGENIZE v. to hydrogenate, also HYDROGENISE.
MONOHYDROGENmonohydrogen n. (Chemistry, in combination) A single hydrogen atom in a compound.
MONOHYDROGEN adj. designating compounds containing one hydrogen atom or ion for each combining radical or ion, e.g. disodium monohydrogen orthophosphate.
OXYHYDROGENSOXYHYDROGEN n. a mixture of hydrogen and oxygen used to provide an intense flame for welding.
PARAHYDROGENparahydrogen n. (Physics) The form of the hydrogen molecule (H2) in which the two nuclei have antiparallel spin; about…
PARAHYDROGEN n. a spin isomer of hydrogen.

Scrabble words — in black are valid world wide — in RED are not valid in North America — in GREEN are valid only in North America.
Definitions are short excerpt from the WikWik.org and 1Word.ws.

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See this list for:

  • English Wiktionary: 28 words
  • Scrabble in French: 10 words
  • Scrabble in Spanish: no word
  • Scrabble in Italian: no word
  • Scrabble in German: no word
  • Scrabble in Romanian: no word


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