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[grav-i-tey-shuh n] /ˌgræv ɪˈteɪ ʃən/


a sinking or falling.
a movement or tendency toward something or someone:
the gravitation of people toward the suburbs.
of, relating to, or involving gravitation
the force of attraction that bodies exert on one another as a result of their mass
any process or result caused by this interaction, such as the fall of a body to the surface of the earth

1640s in physics sense, also figurative, from Modern Latin gravitationem (nominative gravitatio), noun of action from past participle stem of gravitare (see gravitate). Related: Gravitational.

gravitation grav·i·ta·tion (grāv’ĭ-tā’shən)

See gravity.

The force, first described mathematically by Isaac Newton, whereby any two objects in the universe are attracted toward each other. Gravitation holds the moon in orbit around the Earth, the planets in orbit around the sun, and the sun in the Milky Way. It also accounts for the fall of objects released near the surface of the Earth. The modern theory of gravitation is the general theory of relativity.


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  • Gravitational-constant

    noun, Physics. 1. constant of gravitation. See under . noun 1. the factor relating force to mass and distance in Newton’s law of gravitation. It is a universal constant with the value 6.673 × 10–11 N m² kg–2 G gravitational constant grav·i·ta·tion·al constant (grāv’ĭ-tā’shə-nəl) n. Abbr. G The constant in Newton’s law of gravitation that […]

  • Gravitational-field

    noun, Physics. 1. the attractive effect, considered as extending throughout space, of matter on other matter. 2. the region surrounding an astronomical body in which the force of gravitation is strong. noun 1. the field of force surrounding a body of finite mass in which another body would experience an attractive force that is proportional […]

  • Gravitational interaction

    noun 1. an interaction between particles or bodies resulting from their mass. It is very weak and occurs at all distances See interaction (sense 2)

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