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单词 anti-gravity
释义

anti-ˈgravityadj.n.

Etymology: anti- prefix1 1b(a).
A. adj.
= anti-g adj.
ΚΠ
1945 in Amer. Speech (1946) 21 142/1 The anti-gravity pneumatic pants apply pressure to the pilot's abdomen and legs, preventing the blood from pooling in the lower extremities.
1946 A. C. Clarke in Across Sea of Stars (1959) 155 The three explorers stepped out of the airlock and adjusted the antigravity fields of their suits.
1953 C. L. Harness Flight into Yesterday (1964) ii. 32 He had found a way to beat the tremendous solar gravity by..an anti-grav mechanism.
B. n.
A hypothetical force opposed to that of gravity. Chiefly attrib. Also in shortened form (colloq.) anti-grav.
ΘΚΠ
the world > matter > physics > mechanics > force > gravity > [noun] > force opposed to that of gravity
anti-gravity1949
the world > matter > physics > mechanics > force > gravity > [adjective] > force opposed to gravity
anti-gravity1949
1949 A. C. Clarke in Across Sea of Stars (1959) 58 Antigravity..the ultimate secret that man had never learned.
This entry has not yet been fully updated (first published 1972; most recently modified version published online November 2010).
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adj.n.1945
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