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List of 12-letter words containing

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There are 10 twelve-letter words containing D, G, H, 2O, R and Y

GEOHYDROLOGYgeohydrology n. (Geology) hydrogeology.
GEOHYDROLOGY n. a science that deals with the character, source, and mode of occurrence of underground water.
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.
HYDROGENATORhydrogenator n. (Chemistry) A device that hydrogenates.
HYDROGENATOR n. an agent that hydrogenates.
HYDROGEOLOGYhydrogeology n. The geology of groundwater, especially concerning the physical, biological and chemical properties of…
HYDROGEOLOGY n. the study of the geological action of water.
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.
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.
ODONTOGRAPHYodontography n. A scientific description of the teeth.
ODONTOGRAPHY n. a description or history of teeth.
OXYHYDROGENSOXYHYDROGEN n. a mixture of hydrogen and oxygen used to provide an intense flame for welding.

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: 44 words
  • Scrabble in French: 5 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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