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List of 13-letter words containing

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There are 10 thirteen-letter words containing H, 2N, 3O, P and T

GONADOTROPHINgonadotrophin n. Any of a group of protein hormones secreted by gonadotrope cells of the pituitary gland of vertebrates.
GONADOTROPHIN n. a substance that stimulates the gonads.
HOLOPLANKTONSHOLOPLANKTON n. organisms which remain as plankton throughout their whole life cycle.
MONOPHTHONGALmonophthongal adj. (Linguistics) Of or pertaining to a monophthong.
monophthongal adj. (Linguistics, of a vowel) Pronounced as a single vowel sound; said especially of a vowel that is also…
MONOPHTHONGAL adj. of or like a monophthong.
MONOPHYODONTSmonophyodonts n. Plural of monophyodont.
MONOPHYODONT n. an animal with only one set of teeth.
MONOTELEPHONEmonotelephone n. (Historical) An early telephonic device that transmits only one specific tone.
MONOTELEPHONE n. a telephone that transmits sounds of one pitch only.
ODONTOPHORANSODONTOPHORAN n. an odontophore, the rasping apparatus in molluscs.
PATHOGNOMONICpathognomonic adj. (Medicine, of a sign or symptom) specifically characteristic or indicative of a particular disease or condition.
PATHOGNOMONIC adj. distinctively characteristic of a particular disease.
PHOTOIONISINGPHOTOIONISE v. to ionize by electromagnetic radiation, also PHOTOIONIZE.
PHOTOIONIZINGphotoionizing adj. That causes or undergoes photoionization.
PHOTOIONIZE v. to ionize by electromagnetic radiation, also PHOTOIONISE.
PHOTONEUTRONSphotoneutrons n. Plural of photoneutron.
PHOTONEUTRON n. a neutron emitted from a nucleus as a result of photodisintegration.

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: 45 words
  • Scrabble in French: 4 words
  • Scrabble in Spanish: no word
  • Scrabble in Italian: 1 word
  • Scrabble in German: no word
  • Scrabble in Romanian: no word


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