Definition of gravity
plural gravities
1 a
:dignity or sobriety of bearing
- a person of gravity and learning
b
:importance, significance;
especially
:seriousness
- the gravity of the offense
c
:a serious situation or problem
2
:weight
3 a (1)
:the gravitational attraction of the mass of the earth, the moon, or a planet for bodies at or near its surface
(2)
:a fundamental physical force that is responsible for interactions which occur because of mass between particles, between aggregations of matter (such as stars and planets), and between particles (such as photons) and aggregations of matter, that is 10-39 times the strength of the strong force, and that extends over infinite distances but is dominant over macroscopic distances especially between aggregations of matter — called also
gravitation, gravitational force; compare electromagnetism 2a, strong force, weak force
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