We've found 2 phrases for gravity (0.131 seconds):

point blank »    The distance between a gun and a target such that it requires minimal effort in aiming it. In particular no allowance needs to be made for the effects of gravity, target movement or wind in aiming the projectile.

talk like an apothecary »    To use hard or gallipot words: from the assumed gravity and affectation of knowledge generally put on by the gentlemen of this profession, who are commonly as superficial in their learning as they are pedantic in their language.

BTW, Why won't you become an editor?