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List of 15-letter words containing

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There are 13 fifteen-letter words containing H, I, O, 2T and 2Y

CYANOETHYLATINGcyanoethylating v. Present participle of cyanoethylate.
CYANOETHYLATE v. to introduce a cyano-ethyl group into.
CYANOETHYLATIONcyanoethylation n. (Organic chemistry) Any reaction, or treatment, with acrylonitrile, especially such treatment of cotton…
CYANOETHYLATION n. the act of introducing a cyano-ethyl group into a compound.
EXOERYTHROCYTICexoerythrocytic adj. Outside of an erythrocyte.
EXOERYTHROCYTIC adj. occurring outside the red blood cells.
HEMICRYPTOPHYTEhemicryptophyte n. (Botany) Any plant whose buds rest on the surface, being protected in various ways.
HEMICRYPTOPHYTE n. any perennial plant that bears its overwintering buds at soil level, where they are often partly covered by surface debris.
HYDROSTATICALLYhydrostatically adv. In a hydrostatic manner.
hydrostatically adv. With regard to hydrostatics.
HYDROSTATICAL adv. of or relating to fluids at rest or to the pressures they exert or transmit, also HYDROSTATIC.
HYDROXYAPATITEShydroxyapatites n. Plural of hydroxyapatite.
HYDROXYAPATITE n. a complex phosphate of calcium that occurs as a mineral and is the chief structural element of vertebrate bone.
HYDROXYLAPATITEhydroxylapatite n. Alternative spelling of hydroxyapatite.
HYDROXYLAPATITE n. a mineral of the apatite group that is rare in the ground but is the principal inorganic constituent of tooth enamel and bone.
HYPNOTISABILITYhypnotisability n. Alternative spelling of hypnotizability.
HYPNOTISABILITY n. the quality of being hypnotisable, also HYPNOTIZABILITY.
HYPNOTIZABILITYhypnotizability n. The ability to be hypnotized.
HYPNOTIZABILITY n. the state of being hypnotizable, also HYPNOTISABILITY.
ICHTHYODORYLITEICHTHYODORYLITE n. a fossilised fish-spine, also ICHTHYODORULITE.
ORTHOPSYCHIATRYorthopsychiatry n. (Psychiatry) branch of psychiatry concerned with the prevention of mental illness, especially in the young.
ORTHOPSYCHIATRY n. preventive psychiatry for young people.
POLYSYNTHETICALpolysynthetical adj. Alternative form of polysynthetic.
POLYSYNTHETICAL adj. made up of many separate elements, also POLYSYNTHETIC.
POLYSYNTHETISMSPOLYSYNTHETISM n. the state of being polysynthetic.

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 1Word.ws and WikWik.org.

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See this list for:

  • English Wiktionary: 77 words
  • Scrabble in French: 3 words
  • Scrabble in Spanish: no word
  • Scrabble in Italian: no word
  • Scrabble in German: no word
  • Scrabble in Romanian: no word


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