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单词 zero gravity
释义

zero gravity


noun 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 gravity

First recorded in 1950–55

Words nearby zero gravity

zero-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

  • Greason started out at Intel but felt the zero-gravity pull of the rocket macro-process in which he now holds 22 patents.

    Up to a Point: A 'Space Corvette' in Every Garage|P. J. O’Rourke|September 6, 2014|DAILY BEAST
  • Space resorts established for tourists; new sports made possible by zero-gravity, invented and advertised.

    The Planet Strappers|Raymond Zinke Gallun
  • At zero-gravity, where physical exertion is slight, men can get along on small quantities of food.

    The Planet Strappers|Raymond Zinke Gallun

British Dictionary definitions for zero gravity

zero gravity

noun

the 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 gravity

zero 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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更新时间:2024/11/10 22:23:45