colloquial. Any of various instruments in a car, aircraft, or other vehicle that indicate the numerical value of a measurement, either on a figured…
| 单词 | θ207680 |
| 释义 | society > travel > air or space travel > a means of conveyance through the air > aeroplane > parts of aircraft > controls and instruments > [noun] > meters for types of motion > meter indicating air-speed (4) clock1906 colloquial. Any of various instruments in a car, aircraft, or other vehicle that indicate the numerical value of a measurement, either on a figured… velometer1914 An instrument for measuring the speed of air, or of an aircraft through the air. Machmeter1947 An air-speed indicator that reads directly in Mach numbers. machometer1950 = Machmeter, n. |
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