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List of 15-letter words containing

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There are 8 fifteen-letter words containing C, 2I and 4O

CHRONOBIOLOGIESchronobiologies n. Plural of chronobiology.
CHRONOBIOLOGY n. the study of biological rhythms.
CHRONOBIOLOGISTchronobiologist n. A person who is involved in chronobiology.
CHRONOBIOLOGIST n. a student of chronobiology.
ECOTOXICOLOGIESECOTOXICOLOGY n. the study of the destructive effect of waste materials, etc. on the environment.
ECOTOXICOLOGISTecotoxicologist n. One who studies ecotoxicology.
ECOTOXICOLOGIST n. a specialist in ecotoxicology.
GNOTOBIOLOGICALgnotobiological adj. Relating to gnotobiology.
GNOTOBIOLOGICAL adj. related to gnotobiology.
PHOTOBIOLOGICALphotobiological adj. Of or pertaining to photobiology.
PHOTOBIOLOGICAL adj. relating to photobiology, also PHOTOBIOLOGIC.
SOCIOBIOLOGICALsociobiological adj. Of or pertaining to sociobiology.
SOCIOBIOLOGICAL adj. relating to sociobiology.
SOCIOBIOLOGISTSsociobiologists n. Plural of sociobiologist.
SOCIOBIOLOGIST n. one who studies sociobiology.

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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