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List of 13-letter words containing

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There are 14 thirteen-letter words containing E, H, 2I, 3O and T

HOMOEROTICISMhomoeroticism n. The state or quality of being homoerotic.
HOMOEROTICISM n. homosexuality, also HOMOEROTISM.
HOMOIOTHERMIChomoiothermic adj. Alternative form of homeothermic.
HOMOIOTHERMIC adj. keeping the same temperature, warm-blooded, also HOMEOTHERMIC, HOMOEOTHERMIC.
IONTOPHORESISiontophoresis n. (Medicine) A treatment in which electrodes are put in contact with tissue and a voltage is applied in…
IONTOPHORESIS n. the introduction of an ionized substance, such as a drug, through intact skin by the application of a direct electric current.
IONTOPHORETICiontophoretic adj. Of or pertaining to iontophoresis.
IONTOPHORETIC adj. relating to iontophoresis.
OLIGOTROPHIESOLIGOTROPHY n. the state of being oligotrophic.
ORNITHOLOGIESornithologies n. Plural of ornithology.
ORNITHOLOGY n. the study of birds.
PHOTOEMISSIONphotoemission n. (Physics) the ejection of electrons from the surface of a solid by incident electromagnetic radiation.
PHOTOEMISSION n. the release of electrons from a usually solid material (as a metal) by means of energy supplied by incidence of radiation and esp. light.
PHOTOOXIDISEDPHOTOOXIDISE v. to undergo photooxidation, also PHOTOOXIDIZE.
PHOTOOXIDISESPHOTOOXIDISE v. to undergo photooxidation, also PHOTOOXIDIZE.
PHOTOOXIDIZEDphotooxidized v. Simple past tense and past participle of photooxidize.
PHOTOOXIDIZE v. to undergo photooxidation, also PHOTOOXIDISE.
PHOTOOXIDIZESphotooxidizes v. Third-person singular simple present indicative form of photooxidize.
PHOTOOXIDIZE v. to undergo photooxidation, also PHOTOOXIDISE.
PHOTOPERIODICphotoperiodic adj. Of, pertaining to, or exhibiting photoperiodism.
PHOTOPERIODIC adj. relating to a photoperiod.
PHOTOPOSITIVEphotopositive adj. (Biology) having a positive phototropic or phototactic response; attracted by light.
PHOTOPOSITIVE adj. exhibiting positive phototropism or phototaxis.
STOICHEIOLOGYSTOICHEIOLOGY n. the branch of biology that deals with the elements comprising animal tissues, also STOECHIOLOGY.

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: 30 words
  • Scrabble in French: 7 words
  • Scrabble in Spanish: 3 words
  • Scrabble in Italian: 7 words
  • Scrabble in German: no word
  • Scrabble in Romanian: 23 words


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