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There are 18 fifteen-letter words containing D, H, I, N, O, R, T and Y

CHONDRICHTHYANSchondrichthyans n. Plural of chondrichthyan.
CHONDRICHTHYAN n. a technical name for a cartilaginous fish.
CYPROHEPTADINEScyproheptadines n. Plural of cyproheptadine.
CYPROHEPTADINE n. a powerful antihistamine drug used to treat allergies.
DEHYDROGENATINGdehydrogenating v. Present participle of dehydrogenate.
dehydrogenating adj. That undergoes or produces dehydrogenation.
DEHYDROGENATE v. to remove the hydrogen from.
DEHYDROGENATIONdehydrogenation n. (Chemistry) Any reaction or process in which hydrogen is removed from a substance, especially the production…
DEHYDROGENATION n. the removal of hydrogen from a chemical compound.
DEHYDRORETINOLSDEHYDRORETINOL n. vitamin A2.
ENDOTHERMICALLYendothermically adv. In an endothermic manner.
ENDOTHERMIC adv. characterized by or formed with absorption of heat, also ENDOTHERMAL.
HYDROCORTISONEShydrocortisones n. Plural of hydrocortisone.
HYDROCORTISONE n. a glucocorticoid hormone that is used to treat inflammatory and allergic conditions, aka cortisol.
HYDRODYNAMICISThydrodynamicist n. One who studies hydrodynamics.
HYDRODYNAMICIST n. a student of hydrodynamics.
HYDROGENISATIONhydrogenisation n. Alternative form of hydrogenization.
HYDROGENISATION n. the process of hydrogenising, also HYDROGENIZATION.
HYDROGENIZATIONhydrogenization n. Alternative form of hydrogenation.
HYDROGENIZATION n. the process of hydrogenizing, also HYDROGENISATION.
HYPERMODERNISTShypermodernists n. Plural of hypermodernist.
HYPERMODERNIST n. a practitioner of a hypermodernist style in art.
HYPERPRODUCTIONhyperproduction n. Excessive production.
HYPERPRODUCTION n. excessive production.
HYPOCHONDRIASTShypochondriasts n. Plural of hypochondriast.
HYPOCHONDRIAST n. a hypochondriac.
LABYRINTHODONTSlabyrinthodonts n. Plural of labyrinthodont.
LABYRINTHODONT n. an extinct amphibian, so called from a mazy pattern on a section of its teeth.
ORTHODONTICALLYorthodontically adv. By orthodontic means.
ORTHODONTIC adv. relating to orthodontics, the rectification of crookedness in the teeth.
POLYCHLORINATEDpolychlorinated adj. (Chemistry) Having many hydrogen atoms replaced by chlorine.
POLYCHLORINATED adj. as in polychlorinated biphenyl.
SYNARTHRODIALLYsynarthrodially adv. By means of synarthrosis.
SYNARTHRODIAL adv. of, relating to, or being a synarthrosis.
THERMODYNAMICALthermodynamical adj. Thermodynamic.
THERMODYNAMICAL adj. of or relating to thermodynamics, also THERMODYNAMIC.

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: 215 words
  • Scrabble in French: 23 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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