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List of 12-letter words containing

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There are 17 twelve-letter words containing D, G, H, I, O, R and Y

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.
CARDIOGRAPHYcardiography n. (Medicine) The graphic recording of the movement, or other function of the heart as a means of diagnosis.
CARDIOGRAPHY n. the making of cardiographs.
CHONDRIFYINGchondrifying v. Present participle of chondrify.
CHONDRIFY v. to convert, or be converted, into cartilage.
GOLDSMITHERYgoldsmithery n. The work of a goldsmith.
GOLDSMITHERY n. the craft of a goldsmith, also GOLDSMITHRY.
HETERODYNINGheterodyning v. Present participle of heterodyne.
HETERODYNE v. to change the frequency of (a signal) by imposing on a continuous wave another of slightly different length to produce beats.
HIEROGLYPHEDhieroglyphed adj. Inscribed with hieroglyphs.
HIEROGLYPH v. to represent by hieroglyphs.
HYDROBIOLOGYhydrobiology n. (Biology) The study of the biology of the organisms that inhabit bodies of water.
HYDROBIOLOGY n. the study of aquatic organisms.
HYDROFORMINGhydroforming n. (Engineering) A cost-effective way of shaping malleable metals into lightweight, stiff pieces by means…
hydroforming n. (Organic chemistry) The reaction of petroleum with hydrogen.
HYDROFORMING n. the catalytic reforming of petroleum to increase the proportion of aromatic and branched-chain hydrocarbons.
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.
HYDROGRAPHIChydrographic adj. Of or pertaining to hydrography.
HYDROGRAPHIC adj. relating to hydrography, the study of bodies of water, also HYDROGRAPHICAL.
HYDROLOGICALhydrological adj. Of or pertaining to hydrology.
HYDROLOGICAL adj. relating to hydrology, also HYDROLOGIC.
HYDROLOGISTShydrologists n. Plural of hydrologist.
HYDROLOGIST n. an expert in hydrology.
HYDROPLANINGhydroplaning 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.
TYROGLYPHIDSTYROGLYPHID n. a mite of the genus Tyroglyphus, including the cheesemite and the flour-mite.

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: 64 words
  • Scrabble in French: 11 words
  • Scrabble in Spanish: no word
  • Scrabble in Italian: 1 word
  • Scrabble in German: no word
  • Scrabble in Romanian: no word


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