单词 | hypervelocity |
释义 | > as lemmashypervelocity hypervelocity n. Brit. /ˌhʌɪpəvᵻˈlɒsᵻti/ , U.S. /ˌhaɪpərvəˈlɑsədi/ a speed that is (relatively) very high; usually attributive.ΘΠ the world > movement > rate of motion > swiftness > [noun] > a very high speed hypervelocity1955 light speed1974 1955 A. E. Eggers et al. Compar. Anal. Performance Long-range Hypervelocity Vehicles 24 Mar. (N.A.C.A. Rep. RM A54L10) 2 On the basis of equal ratios of mass at take-off to mass at the end of powered flight, the hypervelocity vehicle compares favourably with the supersonic airplane. 1960 Nature 29 Oct. 353/2 If the fused earth were hurled in the manner that ejectamenta from hypervelocity impact[s] in stone are hurled, then the maximum entry velocity [etc.]. 1962 J. L. Potter et al. in F. R. Riddell Hypersonic Flow Res. 599 A small, low density, hypervelocity, continuous wind tunnel. 1964 Bull. Amer. Physical Soc. 9 308/2 (heading) Attainability of fusion temperatures under high densities by impact shock waves of microscopic solid particles accelerated to hypervelocities. 1972 Science 2 June 979/2 Hypervelocity impact craters on the moon. < as lemmas |
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