| 单词 | zero gravity |
| 释义 | > as lemmaszero gravity zero gravity n. and adj. (a) n. the state or condition in which there is no apparent force of gravity acting on a body, either because the force is locally weak, or because both the body and its surroundings are freely and equally accelerating under gravity = weightlessness n. at weightless adj. Derivatives; (b) adj. possessing or characterized by zero gravity; designed for use in zero gravity; occurring in zero gravity.Abbreviated zero-G. ΘΚΠ the world > matter > physics > mechanics > force > gravity > [noun] > absence of gravity zero gravity1915 zero-G1950 null-G1953 null-grav1957 the world > matter > physics > mechanics > force > gravity > [adjective] > relating to absence of gravity zero gravity1915 zero-G1950 1915 Science 5 Feb. 208/2 If a man should be placed, in imagination, at the ‘point of zero gravity’ between the earth and the moon, it is not at all obvious how he would proceed to measure a given mass with a beam-balance. 1951 A. C. Clarke Sands of Mars i. 5 I'll take you into the zero-gravity section and see how you manage there. 1968 New Scientist 12 Sept. 545/1 Astronauts of the future will probably have to build vehicles in space. This will entail joining different metals together under zero-gravity conditions. 1984 News (Mexico City) 12 Mar. 22/4 Two of the first drugs that will be produced in zero gravity in mass quantities are beta cells..and interferon. 1997 Independent (Nexis) 19 Aug. 13 Mention the orbiting Russian space station [sc. Mir], and people..will talk eagerly about zero-gravity toilets. 2015 Esquire Sept. 58/2 In between rungs, you reach a moment of zero gravity where your body is almost weightless. < as lemmas |
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