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List of 15-letter words containing

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There are 18 fifteen-letter words containing E, 2H, M, P, T and Y

CHEMOAUTOTROPHYchemoautotrophy n. (Biology) A mode of growth in which CO2 is the exclusive source of assimilated carbon, and energy is…
CHEMOAUTOTROPHY n. the production of energy by the oxidation of inorganic compounds, such as iron, ammonia and hydrogen sulphide.
CHEMOPSYCHIATRYCHEMOPSYCHIATRY n. treatment of mental illness by drugs.
HEMATOPORPHYRINhematoporphyrin n. (Biochemistry) The porphyrin portion of heme (minus the iron atom).
HEMATOPORPHYRIN n. any of several porphyrins that are hydrated derivatives of protoporphyrins.
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.
HEMISPHERECTOMYhemispherectomy n. (Neurosurgery) Surgical removal of a hemisphere of the brain, usually performed to control otherwise…
HOMEOPATHICALLYhomeopathically adv. By means of homeopathy.
HOMEOPATHIC adv. of or relating to homeopathy.
HYETOMETROGRAPHHYETOMETROGRAPH n. an instrument for recording rainfall.
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.
LYMPHADENOPATHYlymphadenopathy n. (Medicine) An abnormal enlargement of the lymph nodes; it is often a nonspecific sign of infection but…
LYMPHADENOPATHY n. abnormal enlargement of the lymph nodes.
METHYLPHENIDATEmethylphenidate n. (Medicine) A stimulant used to treat attention deficit hyperactivity disorder and narcolepsy, better…
METHYLPHENIDATE n. a stimulant used in treating attention deficit disorder.
PHARMACOTHERAPYpharmacotherapy n. (Medicine) The use of pharmaceuticals to treat disease.
PHARMACOTHERAPY n. the treatment of disease and esp. mental illness with drugs.
PHENETHYLAMINESphenethylamines n. Plural of phenethylamine.
PHOTOCHEMICALLYphotochemically adv. By means of, or in terms of, photochemistry.
PHOTOCHEMICAL adv. of, relating to, or resulting from the chemical action of radiant energy and esp. light.
PHYTOCHEMICALLYphytochemically adv. In a phytochemical way.
PHYTOCHEMICAL adv. relating to the chemistry of plants.
PLATYHELMINTHICplatyhelminthic adj. Of or relating to the platyhelminths.
PLATYHELMINTHIC adj. of or like a platyhelminth.
PLETHYSMOGRAPHSplethysmographs n. Plural of plethysmograph.
PLETHYSMOGRAPH n. an instrument for measuring change in body part size due to blood flow.
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.
PSYCHOCHEMISTRYpsychochemistry n. The study of the psychological effects of chemicals on the brain.
PSYCHOCHEMISTRY n. the treatment of mental illness by drugs.

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: 114 words
  • Scrabble in French: 5 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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