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List of 15-letter words containing

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There are 18 fifteen-letter words containing H, 4O, R and T

ANTHROPOBIOLOGYanthropobiology n. Bioanthropology.
ANTHROPOBIOLOGY n. the study of human biology.
ARCHEOZOOLOGISTarcheozoologist n. Alternative spelling of archaeozoologist.
ARCHEOZOOLOGIST n. a specialist in archeozoology.
CHROMATOPHOROUSCHROMATOPHOROUS adj. of or like a chromatophore, a pigment-bearing cell.
CHRONOBIOLOGISTchronobiologist n. A person who is involved in chronobiology.
CHRONOBIOLOGIST n. a student of chronobiology.
GEOCHRONOLOGISTgeochronologist n. A geologist whose speciality is geochronology.
GEOCHRONOLOGIST n. one who studies geochronology.
GEOMORPHOLOGISTgeomorphologist n. A geologist whose speciality is geomorphology.
GEOMORPHOLOGIST n. one who studies geomorphology.
NITROCHLOROFORMnitrochloroform n. Chlorpicrin.
NITROCHLOROFORM n. a toxic lachrymatory liquid used as a pesticide and a tear gas.
ODONTORHYNCHOUSODONTORHYNCHOUS adj. of birds, having toothlike ridges inside the beak.
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.
OOPHORECTOMIZEDoophorectomized v. Simple past tense and past participle of oophorectomize.
OOPHORECTOMIZE v. to perform an oophorectomy, removal of one or both ovaries, also OOPHORECTOMISE.
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.
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.
PHOTOFLUOROGRAMphotofluorogram n. (Photography) A photograph made by photofluorography.
PHOTOFLUOROGRAM n. a photograph of a fluoroscopic image.
PHOTOPRODUCTIONphotoproduction n. (Chemistry) The production of a molecular species (e.g. a radical or ion) by means of light.
PHOTOPRODUCTION n. the production of one or more particles by the action of an incident photon.
PHOTOTOPOGRAPHYphototopography n. The surveying and mapping of a terrain based solely on terrestrial photographs.
PHOTOTOPOGRAPHY n. the preparation of topographic maps from photographs.

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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