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List of 13-letter words containing

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There are 9 thirteen-letter words containing E, 2H, N, O, R, T and Y

ANTHROPOPHYTEanthropophyte n. (Ecology) A plant introduced into a new habitat by humans.
ANTHROPOPHYTE n. a plant introduced incidentally in the course of cultivation.
CHRONOTHERAPYchronotherapy n. Any therapy based on the circadian rhythm or other cyclical schedule.
CHRONOTHERAPY n. a treatment that work in harmony with the body's natural time rhythms.
HYSTERANTHOUShysteranthous adj. (Botany) Having the leaves emerge after the flowers have opened. It typically refers to geophytes that…
HYSTERANTHOUS adj. having the leaves appearing after the flowers.
ICHTHYORNISESICHTHYORNIS n. a toothed fossil bird of America.
NYCHTHEMERONSnychthemerons n. Plural of nychthemeron.
NYCHTHEMERON n. (Greek) a full period of a day and night.
ORTHOHYDROGENorthohydrogen n. (Physics) form of the hydrogen molecule (H2) in which the two nuclei have parallel spin; about 75% of…
ORTHOHYDROGEN n. the form of molecular hydrogen, constituting about 75 per cent of the total at normal temperatures, in which the nuclei of the atoms spin in the same direction.
PHANEROPHYTESphanerophytes n. Plural of phanerophyte.
PHANEROPHYTE n. a perennial plant that bears its perennating buds well above the surface of the ground.
PHYCOERYTHRINphycoerythrin n. (Biochemistry) A red, light-harvesting protein found in cyanobacteria, red algae and cryptomonads.
PHYCOERYTHRIN n. any of the red protein pigments in the cells of red algae.
PHYTOHORMONESphytohormones n. Plural of phytohormone.
PHYTOHORMONE n. a plant hormone, regulating growth.

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: 50 words
  • Scrabble in French: 5 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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