gravity : Idioms & Phrases

Index

Center of gravity

  • noun the point within something at which gravity can be considered to act; in uniform gravity it is equal to the center of mass
    center of gravity.
WordNet
  • (Mech.), that point of a body about which all its parts can be balanced, or which being supported, the whole body will remain at rest, though acted upon by gravity.
Webster 1913

centre of gravity

  • noun the point within something at which gravity can be considered to act; in uniform gravity it is equal to the center of mass
    center of gravity.
WordNet

Gravity battery

  • See Battery, n., 4.
Webster 1913

gravity bomb

  • noun a bomb that falls because of gravity and is not guided to a target
    dumb bomb.
WordNet

gravity fault

  • noun an inclined fault in which the hanging wall appears to have slipped downward relative to the footwall
    normal fault; common fault.
WordNet

gravity gradient

  • noun a gradient in the gravitational forces acting on different parts of a nonspherical object
    • the gravity gradient of the moon causes the ocean tides on Earth
WordNet

gravity meter

  • noun a measuring instrument for measuring variations in the gravitational field of the earth
    gravimeter.
WordNet

gravity wave

  • noun (physics) a wave that is hypothesized to propagate gravity and to travel at the speed of light
    gravitation wave.
WordNet

gravity-assist

  • noun (spaceflight) a trajectory that passes close to a planetary body in order to gain energy from its gravitational field
WordNet

solar gravity

  • noun the gravity of the sun
    • solar gravity creates extreme pressures and temperatures
WordNet

Specific gravity

  • noun the density of a substance relative to the density of water
WordNet
  • the ratio of the weight of a body to the weight of an equal volume of some other body taken as the standard or unit. This standard is usually water for solids and liquids, and air for gases. Thus, 19, the specific gravity of gold, expresses the fact that, bulk for bulk, gold is nineteen times as heavy as water.
Webster 1913

theory of gravity

  • noun (physics) the theory that any two particles of matter attract one another with a force directly proportional to the product of their masses and inversely proportional to the square of the distance between them
    theory of gravitation; gravitational theory; Newton's theory of gravitation.
WordNet