| AEROMETER | • aerometer n. An instrument used to measure the mass and density of gases. • AEROMETER n. an instrument for measuring the weight or density of gas. |
| AREOMETER | • areometer n. Any device used to measure the specific gravity of liquids or the density of solids. • AREOMETER n. (historical) an instrument used for measuring specific gravity, also ARAEOMETER. |
| ERGOMETER | • ergometer n. A dynamometer used to measure the work done by muscles. • ergometer n. A rowing machine or ergocycle. • ERGOMETER n. an instrument for measuring work performed. |
| ERIOMETER | • eriometer n. An optical device used to measure the diameters of fibres such as wool. • ERIOMETER n. an instrument for measuring very small diameters. |
| FREEWROTE | • freewrote v. Simple past tense of freewrite. • FREEWRITE v. to write freely without stopping or thinking. |
| ORIENTEER | • orienteer n. (Sports) Someone who takes part in the sport of orienteering. • orienteer v. (Sports) to race across unfamiliar countryside using a map and compass. • ORIENTEER v. to take part in orienteering, the sport of making one's way quickly across difficult country with the help of map and compass. |
| OVEREATER | • overeater n. One who eats too much; particularly one who does so regularly. • OVEREATER n. one who overeats. |
| OVEREXERT | • overexert v. To exert (oneself) to an excessive degree. • OVEREXERT v. to exert oneself to excess. |
| OVERSTEER | • oversteer n. The condition in which the rear wheels of a car don’t follow the desired curve while cornering, the… • oversteer v. To lose the control of one’s vehicle in a corner due to rear wheels sliding and not following the front wheels. • OVERSTEER v. to steer excessively. |
| PORTREEVE | • portreeve n. A borough-reeve: an office equivalent to a mayor (historical) in several major English towns or (dialect)… • portreeve n. (Historical) A municipal office subordinate to a mayor, (especially) a bailiff. • portreeve n. (Historical) A port reeve, a port warden. |
| REOPERATE | • reoperate v. (Intransitive, surgery) to operate (surgically) again (on the same thing as a previous operation). • reoperate v. (Intransitive) to begin to operate or function again. • reoperate v. (Transitive, manufacturing) to bring back (something) into operation. |
| RETROCEDE | • retrocede v. (Transitive) To grant back. • retrocede v. (Intransitive) To go back. • RETROCEDE v. to cede back (a territory). |
| RHEOMETER | • rheometer n. A device used to measure the flow properties of fluids with variable viscosity. • rheometer n. (Obsolete) A device used to measure the flow of electric current: an ammeter. • rheometer n. (Now rare) A flowmeter, especially for water or blood. |
| ROCKETEER | • rocketeer n. Somebody who designs, launches, operates, or travels in a rocket. • ROCKETEER n. a person who experiments or works with rockets. |
| THEREFORE | • therefore adv. (Conjunctive) Consequently, by or in consequence of that or this cause; referring to something previously stated. • therefore adv. (Conjunctive, archaic) for that; for it (in reference to a previous statement). • THEREFORE adv. for that reason. |