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List of 13-letter words containing

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There are 11 thirteen-letter words containing E, 3O, P, T and Y

EPIZOOTIOLOGYepizootiology n. The study of the dynamics and epidemiology of animal diseases.
EPIZOOTIOLOGY n. the sum of the factors controlling the occurrence of a disease or pathogen of animals.
HOMOEOTYPICALHOMOEOTYPICAL adj. denoting or relating to the second nuclear division of meiosis, which resembles mitosis, also HOMEOTYPICAL.
ORTHOPYROXENEorthopyroxene n. (Mineralogy) Any pyroxene that forms orthorhombic crystals.
ORTHOPYROXENE n. a member of the pyroxene group of minerals having an orthorhombic crystal structure, such as enstatite and hypersthene.
PALAEONTOLOGYpalaeontology n. Britain standard spelling of paleontology.
palæontology n. Obsolete typography of palaeontology.
PALAEONTOLOGY n. the study of fossils, also PALEONTOLOGY.
PHOTOPOLYMERSphotopolymers n. Plural of photopolymer.
PHOTOPOLYMER n. a photosensitive plastic used esp. in the manufacture of printing plates.
PHYTOHORMONESphytohormones n. Plural of phytohormone.
PHYTOHORMONE n. a plant hormone, regulating growth.
POLYCHOTOMIESpolychotomies n. Plural of polychotomy.
POLYCHOTOMY n. division into many parts, e.g. on a cladogram.
POLYCOTYLEDONpolycotyledon n. (Botany) A plant that has many, or more than two, cotyledons in the seed.
POLYCOTYLEDON n. any of various plants, esp. gymnosperms, that have or appear to have more than two cotyledons.
PROPAROXYTONEproparoxytone adj. (Linguistics, of a word) Having the stress or accent on the antepenultimate syllable.
proparoxytone n. (Linguistics) A proparoxytone word.
PROPAROXYTONE n. in ancient Greek, a word having the acute accent on the third last syllable.
PROTEROGYNOUSproterogynous adj. (Botany) Having the pistil come to maturity before the stamens; protogynous.
PROTEROGYNOUS adj. exhibiting proterogyny.
RONTGENOSCOPYRONTGENOSCOPY n. observation by means of X-rays.

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: 94 words
  • Scrabble in French: 13 words
  • Scrabble in Spanish: 2 words
  • Scrabble in Italian: no word
  • Scrabble in German: no word
  • Scrabble in Romanian: no word


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