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List of 12-letter words containing

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There are 4 twelve-letter words containing D, G, H, I, 2O, R and Y

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.
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.

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: 17 words
  • Scrabble in French: 4 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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