| AIRPROX | • airprox n. (Aviation) A near miss between aircraft. • AIRPROX n. a near collision between aircraft in flight. |
| CORIXID | • corixid n. (Entomology) Any member of the family Corixidae, the water boatmen. • CORIXID n. a type of water bug. |
| EXCITOR | • excitor n. Alternative form of exciter. • EXCITOR n. one that excites, also EXCITER. |
| EXORDIA | • exordia n. Plural of exordium. • EXORDIUM n. (Latin) a beginning. |
| FIREBOX | • firebox n. (Rail transport) The chamber of a steam engine, or a steam locomotive, in which the fuel is burned. • firebox n. The part of a fireplace where the fuel is burned. • firebox n. (Vulgar) A redheaded woman or her red pubic hair. |
| FOXFIRE | • foxfire n. (Mycology, chiefly US) Bioluminescence created by some types of fungus, particularly those growing on rotting wood. • foxfire n. (By extension, loosely) Wood exhibiting fungal bioluminescence; torchwood. • fox-fire n. Alternative form of foxfire. |
| ORATRIX | • oratrix n. (Obsolete) A female plaintiff, or complainant, in equity pleading. • ORATRIX n. (Latin) a female orator, also ORATRESS. |
| OREXINS | • orexins n. Plural of orexin. • OREXIN n. a hormone that stimulates the appetite and is thought to be important for sleep regulation. |
| OVERMIX | • overmix v. To mix too thoroughly. • OVERMIX v. to mix too much. |
| PEROXID | • peroxid n. Archaic form of peroxide. • PEROXID n. a bleaching agent, also PEROXIDE. |
| PRINCOX | • princox n. Alternative form of princock. • PRINCOX n. a conceited dandy, also COXCOMB, PRINCOCK. |
| PROXIES | • proxies n. Plural of proxy. • PROXY n. a person authorised to act for another. |
| PROXIMO | • proximo adv. Of next month. • proximo- pref. ISV combining form denoting proximal location or vector. • PROXIMO adj. (Latin) of or occurring in the following month. |
| TORTRIX | • tortrix n. (Entomology) A tortrix moth, any member of the family Tortricidae. • Tortrix prop.n. A taxonomic genus within the family Tortricidae – certain moths. • TORTRIX n. a kind of small moth. |
| TRIAXON | • triaxon n. A triaxonal spicule of a sponge. • TRIAXON n. a sponge spicule with three axes, also TRIAXIAL. |
| TRIOXID | • trioxid n. Archaic form of trioxide. • TRIOXID n. an oxide containing three atoms of oxygen; as, sulphur trioxide, also TRIOXIDE. |
| UXORIAL | • uxorial adj. (Not comparable) Of or pertaining to a wife, or her genes or relatives. • uxorial adj. (Comparable) Devoted to one’s wife; uxorious. • UXORIAL adj. of or relating to a wife. |
| XEROSIS | • xerosis n. (Medicine) dryness. • XEROSIS n. (Greek) abnormal dryness of body parts, also XEROTES. |
| XEROTIC | • xerotic adj. (Medicine) dry. • XEROTIC adj. of abnormally dry body tissues. |