| COTURNIX | • Coturnix prop.n. A taxonomic genus within the family Phasianidae – Old World quails. • COTURNIX n. a small quail. |
| EXCITORS | • excitors n. Plural of excitor. • EXCITOR n. one that excites, also EXCITER. |
| EXERTION | • exertion n. An expenditure of physical or mental effort. • EXERTION n. the act of exerting. |
| EXORCIST | • exorcist n. A person, especially a priest, who practices exorcism. • EXORCIST n. one who practices exorcism. |
| EXOTERIC | • exoteric adj. Suitable to be imparted to the public without secrecy or other reserves. • exoteric adj. (By extension) Accessible; capable of being readily or fully comprehended; or, having an obvious application. • exoteric adj. (Rare) Public or popular; having wide currency. |
| EXPIATOR | • expiator n. One who makes expiation or atonement. • EXPIATOR n. one who makes expiation or atonement. |
| EXTERIOR | • exterior adj. Relating to the outside parts or surface of something. • exterior adj. Being from outside a country; foreign. • exterior adj. Outdoor. |
| NITROXES | • NITROX n. a mixture of nitrogen and oxygen, used in underwater breathing apparatus. |
| NITROXYL | • nitroxyl n. Aminoxyl. • NITROXYL n. the group NO2, usually called the nitro group, also NITRYL. |
| OXIMETER | • oximeter n. (Chemistry) A device that measures the quantity of oxygen in something, particularly air in the atmosphere. • oximeter n. (Medicine, specifically) A device that measures the oxygen saturation of arterial blood. • OXIMETER n. a photoelectric instrument for measuring the oxygen saturation of the blood. |
| OXIMETRY | • oximetry n. The measurement of the oxygen level in arterial blood. • OXIMETRY n. measurement with an oximeter, a photoelectric instrument for measuring the oxygen saturation of the blood. |
| OXTERING | • oxtering v. Present participle of oxter. • OXTER v. (Scots) to take under the arm. |
| PROTOXID | • protoxid n. Archaic form of protoxide. • PROTOXID n. that one of a series of oxides having the lowest proportion of oxygen, also PROTOXIDE. |
| QUIXOTRY | • quixotry n. A wild, visionary idea, an eccentric notion or act; a quixotism. • QUIXOTRY n. quixotic principles, character, or practice; a quixotic action, statement, or idea, also QUIXOTISM. |
| RETOXING | • retoxing v. Present participle of retox. • RETOX v. to embark on a binge of drink, drugs, or unhealthy food after a period of abstinence. |
| TETROXID | • tetroxid n. Archaic form of tetroxide. • TETROXID n. an oxide having four atoms of oxygen in the molecule; as, osmium tetroxide, also TETROXIDE. |
| THYROXIN | • thyroxin n. Alternative spelling of thyroxine. • THYROXIN n. an iodine compound, a hormone forming the active principle of the thyroid gland, also THYROXINE. |
| TRIAXONS | • triaxons n. Plural of triaxon. • TRIAXON n. a sponge spicule with three axes, also TRIAXIAL. |
| TRIOXIDE | • trioxide n. (Chemistry) any oxide containing three oxygen atoms in each molecule. • trioxide n. (Chemistry) any organic compound of general formula R-OOO-R’, derived from trioxidane. • TRIOXIDE n. an oxide containing three atoms of oxygen; as, sulphur trioxide, also TRIOXID. |
| TRIOXIDS | • trioxids n. Plural of trioxid. • TRIOXID n. an oxide containing three atoms of oxygen; as, sulphur trioxide, also TRIOXIDE. |