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List of 13-letter words containing

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There are 10 thirteen-letter words containing L, N, 3O, R 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.
ENDOCRINOLOGYendocrinology n. (Physiology) The study of the endocrine glands of the human body, the hormones produced by them, and…
ENDOCRINOLOGY n. the study of glands.
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.
ISOCHRONOUSLYisochronously adv. In an isochronous manner.
ISOCHRONOUS adv. having the same duration; recurring at equal intervals.
NEUROETHOLOGYneuroethology n. The study of animal behavior and its underlying control by the nervous system.
NEUROETHOLOGY n. the description of features of animal behaviour in terms of the mechanisms of the nervous system.
ORTHOGONALITYorthogonality n. (Mathematics, statistics, software engineering) The property of being orthogonal.
ORTHOGONALITY n. the state of being orthogonal.
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.
ROENTGENOLOGYroentgenology n. (Medicine, archaic) Radiography.
ROENTGENOLOGY n. radiology, also RONTGENOLOGY.
SYNCHRONOLOGYsynchronology n. Contemporaneous chronology.
synchronology n. Chronological arrangement side by side.
SYNCHRONOLOGY n. a chronological arrangement side by side.
UROGYNECOLOGYurogynecology n. A surgical subspecialty of urology and gynecology.

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: 91 words
  • Scrabble in French: 4 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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