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There are 12 fifteen-letter words containing H, 3O, P, 2T and U

CHEMOAUTOTROPHSchemoautotrophs n. Plural of chemoautotroph.
CHEMOAUTOTROPH n. any organism, e.g. bacteria, that produces energy by the oxidation of inorganic compounds, such as iron, ammonia and hydrogen sulphide, also CHEMOAUTROPH.
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.
OPISTHOGNATHOUSopisthognathous adj. (Zoology) Having retreating jaws or teeth.
OPISTHOGNATHOUS adj. with receding jaws.
PHOTOAUTOTROPHSphotoautotrophs n. Plural of photoautotroph.
PHOTOAUTOTROPH n. an organism capable of synthesizing its own food from inorganic substances using light as an energy source.
PHOTOCONDUCTINGphotoconducting adj. Synonym of photoconductive.
PHOTOCONDUCTING adj. relating to, or showing, photoconductivity.
PHOTOCONDUCTIONphotoconduction n. A change (normally an increase) in the electrical conductivity of a material as a result of incident…
PHOTOCONDUCTION n. conduction of electricity resulting from the absorption of light.
PHOTOCONDUCTIVEphotoconductive adj. Of, relating to, or characterized by photoconductivity.
PHOTOCONDUCTIVE adj. having, involving, or operating by photoconductivity.
PHOTOCONDUCTORSphotoconductors n. Plural of photoconductor.
PHOTOCONDUCTOR n. a photoconductive substance.
PHOTOINDUCTIONSphotoinductions n. Plural of photoinduction.
PHOTOINDUCTION n. induction by the effect of light.
PHOTOJOURNALISTphotojournalist n. A journalist who uses photojournalism.
PHOTOJOURNALIST n. a practitioner of photojournalism.
PHOTOPRODUCTIONphotoproduction n. (Chemistry) The production of a molecular species (e.g. a radical or ion) by means of light.
PHOTOPRODUCTION n. the production of one or more particles by the action of an incident photon.
PHOTOREDUCTIONSphotoreductions n. Plural of photoreduction.
PHOTOREDUCTION n. chemical reduction under the influence of radiant energy, as light.

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: 55 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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