| AEROTAXIS | • aerotaxis n. (Biology) Movement of an organism either towards or away from a region of higher oxygen content. • AEROTAXIS n. movement towards or from oxygen. |
| EXERTIONS | • exertions n. Plural of exertion. • EXERTION n. the act of exerting. |
| EXORCISTS | • exorcists n. Plural of exorcist. • EXORCIST n. one who practices exorcism. |
| EXPIATORS | • expiators n. Plural of expiator. • EXPIATOR n. one who makes expiation or atonement. |
| EXPOSITOR | • expositor n. A person who expounds; a commentator. • EXPOSITOR n. one who, or that which, exposits. |
| EXSERTION | • exsertion n. Protrusion; thrusting outward. • EXSERTION n. a protrusion. |
| EXTERIORS | • exteriors n. Plural of exterior. • EXTERIOR n. a part or surface that is outside. |
| EXTORSIVE | • extorsive adj. Serving or tending to extort. • EXTORSIVE adj. relating to or practising extortion, also EXTORTIVE. |
| EXTROPIES | • EXTROPY n. the prediction that human intelligence will enable life to expand throughout the universe. |
| EXTRUSION | • extrusion n. A manufacturing process where a billet of material is pushed and/or drawn through a die to create a… • extrusion n. An item formed by the process of extrusion. • EXTRUSION n. the act of extruding. |
| NITROXYLS | • nitroxyls n. Plural of nitroxyl. • NITROXYL n. the group NO2, usually called the nitro group, also NITRYL. |
| ORATRIXES | • oratrixes n. Plural of oratrix. • ORATRIX n. (Latin) a female orator, also ORATRESS. |
| ORTHOAXIS | • ORTHOAXIS n. in crystallography, the orthodiagonal. |
| OXIMETERS | • oximeters n. Plural of oximeter. • OXIMETER n. a photoelectric instrument for measuring the oxygen saturation of the blood. |
| PROTOXIDS | • protoxids n. Plural of protoxid. • PROTOXID n. that one of a series of oxides having the lowest proportion of oxygen, also PROTOXIDE. |
| RHEOTAXIS | • rheotaxis n. (Biology) movement in response to a current (of water or air). • RHEOTAXIS n. the movement of an organism in response to a current of water. |
| TETROXIDS | • tetroxids n. Plural of tetroxid. • TETROXID n. an oxide having four atoms of oxygen in the molecule; as, osmium tetroxide, also TETROXIDE. |
| THYROXINS | • thyroxins n. Plural of thyroxin. • THYROXIN n. an iodine compound, a hormone forming the active principle of the thyroid gland, also THYROXINE. |
| TORTRIXES | • tortrixes n. Plural of tortrix. • TORTRIX n. a kind of small moth. |
| TRIOXIDES | • trioxides n. Plural of trioxide. • TRIOXIDE n. an oxide containing three atoms of oxygen; as, sulphur trioxide, also TRIOXID. |