| EXAMETRE | • exametre n. 1018 metres. • EXAMETRE n. ten to the power of eighteen metres. |
| EXANTHEM | • exanthem n. A widespread rash usually occurring in children. • EXANTHEM n. a skin eruption, esp. accompanied by fever, also EXANTHEMA. |
| EXEMPTED | • exempted v. Simple past tense and past participle of exempt. • EXEMPT v. to free from liability. |
| EXHUMATE | • exhumate v. (Obsolete) To exhume; to disinter. • EXHUMATE v. to dig out from the earth, also EXHUME. |
| EXTREMAL | • extremal adj. (Mathematics) Relating to extrema (maximal or minimal). • extremal n. (Mathematics) Any solution to a variety of equations in the calculus of variations. • EXTREMAL n. a clause which limits recursion. |
| EXTREMER | • extremer adj. Comparative form of extreme: more extreme. • EXTREME adj. farthest from centre. |
| EXTREMES | • extremes n. Plural of extreme. • EXTREME n. the highest degree. |
| EXTREMUM | • extremum n. (Mathematics) A point, or value, which is a maximum or a minimum. • EXTREMUM n. (Latin) a maximum or minimum of a mathematical function. |
| FLEXTIME | • flextime n. Alternative spelling of flexitime. • FLEXTIME n. a system that allows flexible working hours, also FLEXITIME. |
| KETOXIME | • ketoxime n. (Organic chemistry) Any oxime derived from an ketone; general formula R2C=NOH. • KETOXIME n. an oxime product of a ketone reacting with hydroxylamine. |
| LUXMETER | • luxmeter n. (Photography) A light meter. • LUXMETER n. an instrument for measuring illumination. |
| MEATAXES | • meataxes n. Plural of meataxe. • meat␣axes n. Plural of meat axe. • MEATAXE n. a meat cleaver. |
| 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. |
| XENOTIME | • xenotime n. (Mineralogy) A yellow-brown mineral, yttrium phosphate (YPO4). • XENOTIME n. (Greek) a phosphate of yttrium occurring in yellowish-brown tetragonal crystals. |