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 There are 10 twelve-letter words containing A, D, G, H, N, O, R and Y| ANTIHYDROGEN | • antihydrogen 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.
 |  | DYNAMOGRAPHS | • dynamographs n. Plural of dynamograph. • DYNAMOGRAPH n. an instrument for recording mechanical forces.
 |  | HEADSTRONGLY | • headstrongly adv. In a headstrong manner. • HEADSTRONG adv. impetuous.
 |  | HYDROGENASES | • hydrogenases n. Plural of hydrogenase. • HYDROGENASE n. an enzyme that catalyzes hydrogen formation in certain microorganisms.
 |  | HYDROGENATED | • hydrogenated 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.
 |  | HYDROGENATES | • hydrogenates v. Third-person singular simple present indicative form of hydrogenate. • HYDROGENATE v. to combine or treat with hydrogen.
 |  | HYDROGENATOR | • hydrogenator n. (Chemistry) A device that hydrogenates. • HYDROGENATOR n. an agent that hydrogenates.
 |  | HYDROPLANING | • hydroplaning v. Present participle of hydroplane. • hydroplaning n. (Automotive, US, Canada) The loss of contact with the road because of surface water. The act of aquaplaning.
 • HYDROPLANE v. to travel by hydroplane, a light, flat-bottomed motorboat.
 |  | ODONTOGRAPHY | • odontography n. A scientific description of the teeth. • ODONTOGRAPHY n. a description or history of teeth.
 |  | PARAHYDROGEN | • parahydrogen 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.
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 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.
 
 See this list for:English Wiktionary: 39 wordsScrabble in French: 8 wordsScrabble in Spanish: no wordScrabble in Italian: no wordScrabble in German: no wordScrabble in Romanian: no word
 
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