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 There are 3 twelve-letter words containing D, H, I, 3O, R and Y| HYDROBIOLOGY | • hydrobiology n. (Biology) The study of the biology of the organisms that inhabit bodies of water. • HYDROBIOLOGY n. the study of aquatic organisms.
 |  | HYDROCOLLOID | • hydrocolloid 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.
 |  | HYPOTROCHOID | • hypotrochoid 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.
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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: 16 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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