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 There are 5 twelve-letter words containing D, G, H, 3O, R and Y| GEOHYDROLOGY | • geohydrology n. (Geology) hydrogeology. • GEOHYDROLOGY n. a science that deals with the character, source, and mode of occurrence of underground water.
 |  | HYDROBIOLOGY | • hydrobiology n. (Biology) The study of the biology of the organisms that inhabit bodies of water. • HYDROBIOLOGY n. the study of aquatic organisms.
 |  | HYDROGEOLOGY | • hydrogeology n. The geology of groundwater, especially concerning the physical, biological and chemical properties of… • HYDROGEOLOGY n. the study of the geological action of water.
 |  | MONOHYDROGEN | • monohydrogen 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.
 |  | ODONTOGRAPHY | • odontography n. A scientific description of the teeth. • ODONTOGRAPHY n. a description or history of teeth.
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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: 13 wordsScrabble in French: no wordScrabble in Spanish: no wordScrabble in Italian: no wordScrabble in German: no wordScrabble in Romanian: no word
 
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