| ANTIHOMOSEXUAL | • antihomosexual adj. Opposed to homosexuality. • antihomosexual n. A person who opposes homosexuality. • ANTIHOMOSEXUAL adj. opposed to homosexuality. |
| CANTHAXANTHINS | • canthaxanthins n. Plural of canthaxanthin. • CANTHAXANTHIN n. a naturally occurring carotenoid used esp. as a color additive for food, also CANTHAXANTHINE. |
| DEXAMETHASONES | • dexamethasones n. Plural of dexamethasone. • DEXAMETHASONE n. a synthetic glucocorticoid used esp. as an anti-inflammatory agent. |
| EXHAUSTIVENESS | • exhaustiveness n. The state of being exhaustive. • EXHAUSTIVE n. testing all possibilities or considering all elements. |
| EXTINGUISHABLE | • extinguishable adj. Able to be extinguished. • EXTINGUISHABLE adj. that can be extinguished. |
| EXTINGUISHANTS | • extinguishants n. Plural of extinguishant. • EXTINGUISHANT n. a substance used to extinguish fires. |
| HEXACTINELLIDS | • hexactinellids n. Plural of hexactinellid. • HEXACTINELLID n. a kind of six-rayed sponge. |
| HEXAMETHONIUMS | • hexamethoniums n. Plural of hexamethonium. • HEXAMETHONIUM n. either of two compounds used as ganglionic blocking agents in the treatment of hypertension. |
| HYDROXYLATIONS | • hydroxylations n. Plural of hydroxylation. • HYDROXYLATION n. the act of hydroxylating. |
| MORPHOSYNTAXES | • morphosyntaxes n. Plural of morphosyntax. • MORPHOSYNTAX n. the study of the interaction of morphology and syntax. |
| PNEUMOTHORAXES | • pneumothoraxes n. Plural of pneumothorax. • PNEUMOTHORAX n. accumulation of air or gas in the pleural cavity. |
| XANTHOCHROISMS | • XANTHOCHROISM n. a condition in which all skin pigments except yellow disappear. |
| XANTHOCHROMIAS | • XANTHOCHROMIA n. any yellowish discoloration, esp. of the cerebrospinal fluid. |
| XANTHOMELANOUS | • xanthomelanous adj. (Anthropology, dated) Having yellow, brown, or olive skin and black hair. • XANTHOMELANOUS adj. applied by Huxley to members of the human race with black hair and yellow or olive skins. |
| XANTHOPHYLLOUS | • xanthophyllous adj. Of or relating to xanthophyll. • XANTHOPHYLLOUS adj. like a xanthophyll, a yellow carotenoid pigment found with chlorophyll in green plants and in egg yolks. |
| XANTHOPTERINES | • XANTHOPTERINE n. a yellow pigment obtainable from the wings of yellow butterflies and the urine of mammals, also XANTHOPTERIN. |