| BOXTHORN | • boxthorn n. Any plant of the genus Lycium. • BOXTHORN n. a thorny shrub with red berries. |
| CHRONAXY | • chronaxy n. Alternative form of chronaxie. • CHRONAXY n. a time constant in the excitation of a nerve or muscle, also CHRONAXIE. |
| FOXHOUND | • foxhound n. A dog of a medium-sized breed developed for hunting. • Foxhound n. (NATO reporting name) The Soviet MiG 31 aircraft. • FOXHOUND n. a hunting dog. |
| FOXHUNTS | • foxhunts n. Plural of foxhunt. • foxhunts v. Third-person singular simple present indicative form of foxhunt. • fox␣hunts n. Plural of fox hunt. |
| HEXAGONS | • hexagons n. Plural of hexagon. • HEXAGON n. a polygon having six sides. |
| HEXANOIC | • hexanoic adj. Of or pertaining to hexanoic acid or its derivatives; caproic. • HEXANOIC adj. as in hexanoic acid, a component of palm oil. |
| HEXOSANS | • hexosans n. Plural of hexosan. • HEXOSAN n. a polysaccharide that yields hexose on hydrolysis. |
| LUNCHBOX | • lunchbox n. A container for transporting meals, especially lunch. • lunchbox n. (Slang, UK) The male genitals when enclosed in clothing. • lunchbox n. (Asia) A lunch packaged in a disposable box to be taken away to eat. |
| PHORMINX | • phorminx n. A kind of lyre used by the Ancient Greeks. • PHORMINX n. (Greek) a kind of lyre used by the Greeks. |
| SAXHORNS | • saxhorns n. Plural of saxhorn. • SAXHORN n. a brass wind instrument. |
| THYROXIN | • thyroxin n. Alternative spelling of thyroxine. • THYROXIN n. an iodine compound, a hormone forming the active principle of the thyroid gland, also THYROXINE. |
| XANTHOMA | • xanthoma n. (Medicine) A small, yellow nodule, rich in cholesterol and other lipids, that occurs in the skin, often near a joint. • XANTHOMA n. a skin disease marked by the development of irregular yellowish patches upon the skin, esp. upon the eyelids. |
| XANTHONE | • xanthone n. (Organic chemistry) An aromatic ketone, 9-oxo-xanthene, that is used as an insecticide. • XANTHONE n. a ketone analogue of xanthene which forms the basis of various natural pigments. |
| XANTHOUS | • xanthous adj. Yellow-brown; yolk-colored. • xanthous adj. (Archaic, ethnology) Pertaining to people with yellowish, red, auburn, or brown hair. • XANTHOUS adj. yellow- or red-haired; yellow-skinned. |
| XENOLITH | • xenolith n. (Geology) any piece of rock having a different origin to that of the igneous rock in which it is found. • XENOLITH n. (Greek) a rock fragment foreign to the igneous mass in which it occurs. |
| XENOPHYA | • xenophya n. (Biology) foreign particles found within an organism, such as sand grains. • XENOPHYA n. (Greek) elements of a shell or skeleton not secreted by the organism itself. |