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List of 13-letter words containing

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There are 12 thirteen-letter words containing H, N, 2O, P, R, T and U

BOUSTROPHEDONboustrophedon adv. (Historical, calligraphy, of writing) In a fashion such that the reading direction changes from right-to-left…
boustrophedon adj. (Historical, calligraphy, of writing) Written from right-to-left and left-to-right on alternate lines.
boustrophedon adj. (Figuratively) Changing direction, going back and forth.
BUTYROPHENONEbutyrophenone n. (Pharmacology) Any of a class of antipsychotic drugs (such as haloperidol) used especially in the treatment…
BUTYROPHENONE n. any of a class of antipsychotic drugs (as haloperidol) used esp. in the treatment of schizophrenia.
CONDUCTORSHIPconductorship n. The position of conductor of an orchestra.
CONDUCTORSHIP n. the office of conductor.
HYMENOPTEROUShymenopterous adj. (Entomology) Of the order Hymenoptera; hymenopteran.
HYMENOPTEROUS adj. having four membranous wings, as do ants, bees and wasps.
LUTEOTROPHINSluteotrophins n. Plural of luteotrophin.
LUTEOTROPHIN n. another name for the hormone prolactin, also LUTEOTROPIN.
NEUROTROPHIESNEUROTROPHY n. nutrition of the nervous system; the influence of the nervous system on nutrition.
ODONTOPHOROUSodontophorous adj. (Zoology) Having an odontophore.
ODONTOPHOROUS adj. of or like an odontophore, the rasping apparatus in molluscs.
PHONAUTOGRAPHphonautograph n. (Historical) A device for recording sound vibrations in a visible form.
PHONAUTOGRAPH n. an instrument for recording sound vibrations.
PHOTOCURRENTSphotocurrents n. Plural of photocurrent.
PHOTOCURRENT n. a stream of electrons produced by photoelectric or photovoltaic effects.
PHOTONEUTRONSphotoneutrons n. Plural of photoneutron.
PHOTONEUTRON n. a neutron emitted from a nucleus as a result of photodisintegration.
PHOTOREDUCINGphotoreducing v. Present participle of photoreduce.
PHOTOREDUCE v. to photocopy with reduction of the image.
PNEUMATOPHOREpneumatophore n. (Zoology) A gas-filled sac or float of some colonial marine coelenterates, such as the Portuguese man-of-war.
pneumatophore n. (Botany) An aerial root, in mangroves etc., specialized for gaseous exchange.
pneumatophore n. An apparatus consisting of a bag with a tube and mouthpiece, which may be attached to the body. The…

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: 63 words
  • Scrabble in French: 15 words
  • Scrabble in Spanish: 1 word
  • Scrabble in Italian: 1 word
  • Scrabble in German: no word
  • Scrabble in Romanian: 5 words


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