specialized also gravitation, abbreviation g [noun] [U] - the force which attracts any object of any mass towards any other object of any massthe laws of gravityGravity makes something fall if you drop it.Gravity acts within and between stars, planets and spacecraft.Enormous energy is needed to launch a spacecraft against (the force of) gravity.
Meaning of GRAVITY in English
Cambridge English vocab. Кембриджский английский словарь. 2012