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List of 15-letter words containing

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There are 18 fifteen-letter words containing E, O, P, R, T and 2Y

CHEMOPSYCHIATRYCHEMOPSYCHIATRY n. treatment of mental illness by drugs.
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.
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.
HYPERTHYROIDISMhyperthyroidism n. (Medicine) The excessive production of hormones by the thyroid.
hyperthyroidism n. (Pathology) The pathological condition resulting from these excess hormones.
HYPERTHYROIDISM n. excessive functional activity of the thyroid gland.
HYPOCRYSTALLINEhypocrystalline adj. (Geology, of igneous rocks) having both glass and crystalline components.
HYPOCRYSTALLINE adj. of igneous rocks, having both glass and crystalline components.
HYPSOMETRICALLYhypsometrically adv. By means of, or in terms of, hypsometry.
HYPSOMETRICAL adv. of, relating to, or indicating elevation (as on a map), also HYPSOMETRIC.
NEUROPSYCHIATRYneuropsychiatry n. (Medicine) The branch of medicine dealing with disorders that have both neurological and psychiatric features.
NEUROPSYCHIATRY n. a branch of medicine concerned with both neurology and psychiatry.
ONYCHOCRYPTOSESONYCHOCRYPTOSIS n. the condition of having an ingrowing toenail.
PLETHYSMOGRAPHYplethysmography n. (Medicine) The diagnostic use of a plethysmograph.
PLETHYSMOGRAPHY n. measurement by use of a plethysmograph, an instrument for measuring change in body part size due to blood flow.
POLYCARBOXYLATEpolycarboxylate n. (Organic chemistry) Any ester of a polycarboxylic acid.
POLYCARBOXYLATE n. a salt or ester of a polycarboxylic acid, used in certain detergents.
POLYCRYSTALLINEpolycrystalline adj. Composed of an aggregate of very small crystals in random orientations.
POLYCRYSTALLINE adj. consisting of crystals variously oriented.
POLYELECTROLYTEpolyelectrolyte n. A polymeric electrolyte (such as a protein).
POLYELECTROLYTE n. a jellylike plastic compounded of two polymers, one charged positively and one negatively.
PROTEOLYTICALLYproteolytically adv. By means of proteolysis.
PROTEOLYTIC adv. relating to proteolysis, the disintegration of protein.
PSYCHOCHEMISTRYpsychochemistry n. The study of the psychological effects of chemicals on the brain.
PSYCHOCHEMISTRY n. the treatment of mental illness by drugs.
PYROELECTRICITYpyroelectricity n. (Physics) The generation of electric charge as a result of a change in temperature.
PYROELECTRICITY n. electric charge produced in some crystals by temperature changes.
PYROTECHNICALLYpyrotechnically adv. By means of pyrotechnics.
PYROTECHNICAL adv. relating to pyrotechnics, the art of making fireworks, also PYROTECHNIC.
STEREOTYPICALLYstereotypically adv. In a stereotypical manner or way.
STEREOTYPICAL adv. of or like a stereotype, also STEREOTYPIC.

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: 141 words
  • Scrabble in French: 4 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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