| ARSENOPYRITE | • arsenopyrite n. (Mineralogy) A silvery-grey ore of arsenic, a mixed arsenide and sulfide of iron, FeAsS. • ARSENOPYRITE n. arsenical iron pyrites. |
| DYSMENORRHEA | • dysmenorrhea n. (Medicine) Painful menstruation (menstrual#Adjective pain), viewed as a symptom#Noun in any of various disorders. • dysmenorrhea n. (Medicine) Painful menstruation (menstrual#Adjective pain), viewed as a disorder#Noun in its own right… • DYSMENORRHEA n. painful menstruation, also DYSMENORRHOEA. |
| ERYTHORBATES | • erythorbates n. Plural of erythorbate. • ERYTHORBATE n. a salt of erythorbic acid that is used in foods as an antioxidant. |
| EXTRASENSORY | • extrasensory adj. Of or relating to extrasensory perception. • extra-sensory adj. Alternative form of extrasensory. • EXTRASENSORY adj. residing beyond or outside the ordinary senses. |
| GALLERYGOERS | • gallerygoers n. Plural of gallerygoer. • gallery-goers n. Plural of gallery-goer. • GALLERYGOER n. one who frequently goes to art galleries. |
| HORSEPLAYERS | • horseplayers n. Plural of horseplayer. • HORSEPLAYER n. one who habitually bets on horse races. |
| HYPERBOREANS | • hyperboreans n. Plural of hyperborean. • HYPERBOREAN n. an inhabitant of the extreme norther regions. |
| HYPEROREXIAS | • HYPEROREXIA n. compulsive overeating. |
| KERATOPHYRES | • keratophyres n. Plural of keratophyre. • KERATOPHYRE n. a fine-grained soda trachyte. |
| PRESERVATORY | • preservatory n. (Obsolete) A preservative. • preservatory n. (Obsolete) A room or apparatus in which perishable things can be preserved without decay. • preservatory adj. Preservative. |
| PYRANOMETERS | • pyranometers n. Plural of pyranometer. • PYRANOMETER n. another name for a solarimeter. |
| RECESSIONARY | • recessionary adj. Of or relating to a recession. • RECESSIONARY adj. relating to recession. |
| REVERSIONARY | • reversionary n. A reversioner. • reversionary adj. Pertaining to reversion, especially that of an estate. • REVERSIONARY n. a person who has had a (legal) reversion. |
| SECRETIONARY | • secretionary adj. Relating to secretions. • SECRETIONARY adj. relating to secretion. |
| STEREOGRAPHY | • stereography n. Any technique for representing solid objects in two dimensions. • stereography n. Stereoscopic photography, and the production of stereographs. • STEREOGRAPHY n. the representation of solid bodies on a plane surface. |
| WHOREMASTERY | • WHOREMASTERY n. the keeping of whores. |