| 单词 | reaction engine |
| 释义 | > as lemmasreaction engine reaction engine n. any engine in which motive power is derived from the reaction exerted by a jet of escaping fluid (usually a gas). ΘΚΠ society > occupation and work > equipment > machine > machines which impart power > engine > other types of engine > [noun] > reaction reaction engine1849 reaction machine1852 reaction motor1900 1849 Monthly Notices Royal Astron. Soc. 10 31 In order to remedy this small defect , the Astronomer Royal had introduced the use of water-power (by the modern form of Barker's mill or reaction engine) as the moving force. 1868 Model Steam Eng. (1895) 82 Reaction or resistance engines, described at pages 7 and 8. 1946 R. A. Heinlein Let. 25 Oct. in R. A. Heinlein & V. Heinlein Grumbles from Grave (1990) 106 I am a mechanical engineer, a ballistician, a student of reaction engines. 1984 M. Dittrick & D. Dittrick No Uncertain Terms 35 A reaction engine..obtains from the surrounding atmosphere the oxygen needed for the combustion of its fuel. < as lemmas |
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