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List of 13-letter words containing

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There are 20 thirteen-letter words containing I, N, 3O and Y

ACTINOBIOLOGYactinobiology n. The study of the effects of radiation upon living organisms.
ACTINOBIOLOGY n. the branch of biology concerned with the effects of radiation on living organisms.
BIOTECHNOLOGYbiotechnology n. The use of living organisms (especially microorganisms) in industrial, agricultural, medical and other…
biotechnology n. The application of the principles and practices of engineering and technology to the life sciences.
BIOTECHNOLOGY n. the utilisation of living organisms in industry.
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.
CYTOTAXONOMICcytotaxonomic adj. (Taxonomy) Relating to cytotaxonomy.
CYTOTAXONOMIC adj. relating to cytotaxonomy.
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.
ENDOPOLYPLOIDendopolyploid adj. Exhibiting or relating to endopolyploidy.
endopolyploid n. Any organism that exhibits endopolyploidy.
ENDOPOLYPLOID adj. relating to endopolyploidy.
GYNODIOECIOUSgynodioecious adj. (Botany) dioecious, but having some hermaphrodite or perfect flowers on an individual plant which bears…
GYNODIOECIOUS adj. having hermaphrodite and female flowers on different plants.
GYNOMONOECISMGYNOMONOECISM n. the state of being gynomonoecious.
ISOCHRONOUSLYisochronously adv. In an isochronous manner.
ISOCHRONOUS adv. having the same duration; recurring at equal intervals.
ISOSPONDYLOUSisospondylous adj. (Zoology) Of or pertaining to the Isospondyli.
isospondylous adj. (Zoology) Having the anterior vertebrae separate and normal.
ISOSPONDYLOUS adj. of, relating to, or belonging to the Isospondyli, an order of soft-finned teleost fishes that includes the herring, salmon, trout, and pike.
MONOTONICALLYmonotonically adv. In a monotonic manner, pertaining to the Greek system of diacritics which discards the breathings and…
monotonically adv. (Mathematics) In a monotonic manner, of a function that either never decreases or never increases as…
MONOTONIC adv. having one tone; of a mathematical series, increasing or decreasing evenly.
NINCOMPOOPERYnincompoopery n. The beliefs and behaviours of a nincompoop; folly; idiocy.
NINCOMPOOPERY n. the state of being a nincompoop.
NOMOLOGICALLYnomologically adv. In terms or by means of nomology.
NOMOLOGICAL adv. relating to nomology, the science of reasoning, also NOMOLOGIC.
NONCONFORMITYnonconformity n. Refusal to conform to the doctrine, discipline, or practice of a state religion, especially refusal…
nonconformity n. Rejection of, or failure to conform to, a practice, standard, rule, or law.
nonconformity n. (Geology) A type of unconformity in which a non-sedimentary rock intrudes in sedimentary layers.
NOSOLOGICALLYnosologically adv. In terms of nosology.
NOSOLOGICAL adv. relating to nosology, the science of diseases, also NOSOLOGIC.
ONTOLOGICALLYontologically adv. In an ontological manner.
ONTOLOGICAL adv. based upon being or existence, also ONTOLOGIC.
ORTHOGONALITYorthogonality n. (Mathematics, statistics, software engineering) The property of being orthogonal.
ORTHOGONALITY n. the state of being orthogonal.
OXYHEMOGLOBINoxyhemoglobin n. (American spelling) Alternative form of oxyhaemoglobin.
OXYHEMOGLOBIN n. a loose compound of oxygen and haemoglobin, also OXYHAEMOGLOBIN.
PHOTOCOPYINGSphotocopyings n. Plural of photocopying.
PHOTOCOPYING n. the act of making a photocopy.
SYNOECOLOGIESSYNOECOLOGY n. the study of ecological communities, also SYNECOLOGY.

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: 222 words
  • Scrabble in French: 19 words
  • Scrabble in Spanish: 3 words
  • Scrabble in Italian: 4 words
  • Scrabble in German: no word
  • Scrabble in Romanian: no word


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