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 List of 13-letter words containing •••••Click to add a seventh letter
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 There are 8 thirteen-letter words containing I, 4O and R| CHRONOBIOLOGY | • chronobiology n. (Biology) The study of the effects of time on biological systems, especially the effects of periodicity. • CHRONOBIOLOGY n. the study of biological rhythms.
 |  | CORROBORATION | • corroboration n. The act of corroborating, strengthening, or confirming; addition of strength; confirmation. • corroboration n. That which corroborates.
 • CORROBORATION n. corroboration.
 |  | HOMOEOMORPHIC | • homoeomorphic adj. (Britain, topology) Alternative spelling of homeomorphic. • homœomorphic adj. Archaic form of homeomorphic.
 • HOMOEOMORPHIC adj. of two geometrical figures, such that one can be converted into the other by distortion.
 |  | HOMOMORPHOSIS | • homomorphosis n. (Biology) Regeneration in which the new part is like the part removed; replacement of a lost part by a similar part. • HOMOMORPHOSIS n. regeneration of a lost part in the original form.
 |  | ISOCHROMOSOME | • isochromosome n. (Cytology) An abnormal chromosome in which one arm has been lost and replaced with an exact copy of the other arm. • ISOCHROMOSOME n. a chromosome produced by transverse splitting of the centromere so that both arms are from the same side of the centromere, are of equal length, and possess identical genes.
 |  | OPHIOMORPHOUS | • ophiomorphous adj. Having the form of a snake. • OPHIOMORPHOUS adj. snakelike, also OPHIOMORPHIC.
 |  | PROSOPOPOEIAL | • prosopopoeial adj. Prosopopoeic. • prosopopœial adj. Obsolete typography of prosopopoeial.
 • PROSOPOPOEIAL adj. relating to prosopopeia, personification.
 |  | PROSOPOPOEIAS | • prosopopoeias n. Plural of prosopopoeia. • prosopopœias n. Plural of prosopopœia.
 • PROSOPOPOEIA n. a figure of speech in which an imaginary or absent person is represented as speaking or acting, also PROSOPOPEIA.
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 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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