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List of 15-letter words containing

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There are 17 fifteen-letter words containing 4O, P, R and S

CHROMATOPHOROUSCHROMATOPHOROUS adj. of or like a chromatophore, a pigment-bearing cell.
CRYPTOZOOLOGIESCRYPTOZOOLOGY n. the study of and search for animals and esp. legendary animals.
CRYPTOZOOLOGISTcryptozoologist n. (Cryptozoology) One who studies cryptozoology.
CRYPTOZOOLOGIST n. one who studies cryptozoology.
GEOMORPHOLOGIESgeomorphologies n. Plural of geomorphology.
GEOMORPHOLOGY n. the study of the landscapes of the earth and their development.
GEOMORPHOLOGISTgeomorphologist n. A geologist whose speciality is geomorphology.
GEOMORPHOLOGIST n. one who studies geomorphology.
HOMOEOMORPHISMShomoeomorphisms n. Plural of homoeomorphism.
HOMOEOMORPHISM n. the state of being homoeomorphic.
HYPOPHOSPHOROUShypophosphorous adj. (Chemistry) Of or pertaining to hypophosphorous acid or its derivatives.
HYPOPHOSPHOROUS adj. as in hypophosphorous acid, a monobasic acid and a reducing agent.
NONCOOPERATIONSnoncooperations n. Plural of noncooperation.
NONCOOPERATION n. failure or refusal to cooperate.
OOPHORECTOMISEDoophorectomised v. Simple past tense and past participle of oophorectomise.
OOPHORECTOMISE v. to perform an oophorectomy, removal of one or both ovaries, also OOPHORECTOMIZE.
OOPHORECTOMISESOOPHORECTOMISE v. to perform an oophorectomy, removal of one or both ovaries, also OOPHORECTOMIZE.
OOPHORECTOMIZESOOPHORECTOMIZE v. to perform an oophorectomy, removal of one or both ovaries, also OOPHORECTOMISE.
ORTHOPHOSPHORICorthophosphoric adj. (Chemistry) Describing the ordinary form of phosphoric acid and its derivatives.
ORTHOPHOSPHORIC adj. phosphoric.
OVERPROPORTIONSoverproportions v. Third-person singular simple present indicative form of overproportion.
OVERPROPORTION v. to make disproportionately large.
PHOSPHOROSCOPESphosphoroscopes n. Plural of phosphoroscope.
PHOSPHOROSCOPE n. an instrument for measuring the duration of phosphorescence after the source of radiation causing it has been removed.
PHOTOAUTOTROPHSphotoautotrophs n. Plural of photoautotroph.
PHOTOAUTOTROPH n. an organism capable of synthesizing its own food from inorganic substances using light as an energy source.
PHOTOCONDUCTORSphotoconductors n. Plural of photoconductor.
PHOTOCONDUCTOR n. a photoconductive substance.
PROTOZOOLOGISTSprotozoologists n. Plural of protozoologist.
PROTOZOOLOGIST n. one who studies protozoology.

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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