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List of 13-letter words containing

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There are 5 thirteen-letter words containing N, 4O and Y

CHRONOBIOLOGYchronobiology n. (Biology) The study of the effects of time on biological systems, especially the effects of periodicity.
CHRONOBIOLOGY n. the study of biological rhythms.
GEOCHRONOLOGYgeochronology n. (Uncountable) The science of dating samples of rock or sediment.
geochronology n. (Countable) Any one of the methods by which the age of different samples of rock can be determined.
geochronology n. (Uncountable) The division of ancient time into named subdivisions / periods.
MONOCOTYLEDONmonocotyledon n. (Botany) Any plant whose seedlings typically have one cotyledon (seed leaf) (in contrast to the two…
MONOCOTYLEDON n. a plant having a single cotyledon, also MONOCOT, MONOCOTYL.
MONOPHYODONTSmonophyodonts n. Plural of monophyodont.
MONOPHYODONT n. an animal with only one set of teeth.
POLYPROTODONTpolyprotodont n. Any marsupial of the order Polyprotodontia.
POLYPROTODONT n. any member of the Polyprotodontia, the suborder of marsupials, including opossums, dasyures, etc., with many small incisors.

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


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