单词 | zero gravity |
释义 | zero gravitynoun Physics.the condition in which the apparent effect of gravity is zero, as in the case of a body in free fall or in orbit. Also ze·ro-g, ze·ro-G [zeer-oh-jee]. /ˈzɪər oʊˈdʒi/. Origin of zero gravityFirst recorded in 1950–55 Words nearby zero gravityzero-coupon, zero defects, zero-divisor, zero-emission, zero-emission vehicle, zero gravity, zero grazing, zero hour, zero in, zero in on, zero option Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for zero gravity
British Dictionary definitions for zero gravityzero gravity nounthe state or condition of weightlessness Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Scientific definitions for zero gravityzero gravity The condition of real or apparent weightlessness occurring when any gravitational forces acting on a body meet with no resistance so the body is allowed to accelerate freely. Bodies in free fall (including trajectories like orbits) experience zero gravity; bodies at rest on the Earth's surface do not, since they are subject to the counterforce of the surface supporting them. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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