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List of 12-letter words containing

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There are 6 twelve-letter words containing D, I, 3O, 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.
HYDROCOLLOIDhydrocolloid n. Any material that forms a colloid (especially a gel) when mixed with water.
hydrocolloid n. Such a material, made from agar, used to make dental impressions.
HYDROCOLLOID n. a substance that yields a gel with water.
HYPOTROCHOIDhypotrochoid n. (Geometry) A geometric curve traced by a fixed point on the radius line outside one circle which rotates…
HYPOTROCHOID n. the curve traced by a point on the radius, or radius produced, of a circle rolling within another circle.
OROROTUNDITYOROROTUNDITY n. the orotund mode of intonation, also OROTUNDITY.
RADIOBIOLOGYradiobiology n. (Biology) The study of the effects of ionizing radiation on living organisms.
radiobiology n. (Biochemistry) The use of radioactive labels to study biological processes.
RADIOBIOLOGY n. a branch of biology dealing with the effects of radiation or radioactive materials on biological systems.
RADIOECOLOGYradioecology n. The study of the fate and effects of radioactive materials in the environment.
RADIOECOLOGY n. the study of the effects of radiation and radioactive substances on ecological communities.

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


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