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

AUTOTROPHICALLYautotrophically adv. In an autotrophic manner.
autotrophically adv. With regard to autotrophy.
AUTOTROPHIC adv. capable of building up food materials from inorganic matter.
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.
CYTOPHOTOMETRICcytophotometric adj. Of or relating to cytophotometry, or measured using a cytophotometer.
CYTOPHOTOMETRIC adj. relating to cytophotometry.
DERMATOPHYTOSESdermatophytoses n. Plural of dermatophytosis.
DERMATOPHYTOSIS n. a fungal infection of the skin, esp. the feet.
DERMATOPHYTOSISdermatophytosis n. (Medicine) A fungal infection of the skin caused by a dermatophyte, ringworm.
DERMATOPHYTOSIS n. a fungal infection of the skin, esp. the feet.
ERYTHROPOIETINSerythropoietins n. Plural of erythropoietin.
ERYTHROPOIETIN n. a glycoprotein hormone that stimulates the production of red blood cells by stem cells in bone marrow.
HYETOMETROGRAPHHYETOMETROGRAPH n. an instrument for recording rainfall.
MICROPHOTOMETRYmicrophotometry n. Measurement performed with a microphotometer.
MICROPHOTOMETRY n. measurement by microphotometer, an instrument for measuring the amount of light transmitted or reflected by small areas or for measuring the relative densities of spectral lines on a photographic film or plate.
ORTHOPSYCHIATRYorthopsychiatry n. (Psychiatry) branch of psychiatry concerned with the prevention of mental illness, especially in the young.
ORTHOPSYCHIATRY n. preventive psychiatry for young people.
PHOTOMETRICALLYphotometrically adv. In a photometric manner.
photometrically adv. By using photometry.
PHOTOMETRIC adv. of or relating to photometry or the photometer.
PHOTOTELEGRAPHYphototelegraphy n. The fax system.
PHOTOTELEGRAPHY n. the transmission of drawings by phototelegraph.
PHOTOTOPOGRAPHYphototopography n. The surveying and mapping of a terrain based solely on terrestrial photographs.
PHOTOTOPOGRAPHY n. the preparation of topographic maps from photographs.
PHOTOTROPICALLYphototropically adv. In a phototropic manner.
PHOTOTROPIC adv. relating to phototropism, movement directed by light.
PHOTOTYPESETTERphototypesetter n. A machine used in phototypesetting.
phototypesetter n. One who phototypesets for their work.
PHOTOTYPESETTER n. one who does phototypesetting.
PHOTOTYPOGRAPHYphototypography n. A photomechanical method of printing made to resemble traditional metal typography.
PHOTOTYPOGRAPHY n. any printing process involving the use of photography.
PYROPHOTOMETERSPYROPHOTOMETER n. a type of pyrometer in which the temperature of an incandescent body is determined by photometric measurement of the light it emits.
RONTGENOTHERAPYRONTGENOTHERAPY n. treatment by X-rays.
TELEPHOTOGRAPHYtelephotography n. (Photography) Photography of distant subjects using a telephoto lens.
telephotography n. (Dated) The transmission of images over a distance, especially by facsimile.
TELEPHOTOGRAPHY n. the photography of distant objects (as by a camera provided with a telephoto lens).

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: 173 words
  • Scrabble in French: 6 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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