hit point

noun2

1. •
   A unit of damage, used to specify the amount of damage a character or object can withstand before it is defeated or destroyed.

   • You can bestow keys, gems, torches and powders, and restore gold, food and hit points. Hit points and experience points can be increased to a maximum of 9999, although you'd better be careful. — 1984
2. •
   In ray tracing, the point in a scene at which a ray strikes an object.

   • The in/out status for the hit point is determined by examining the loop which has the subelement (edge or vertex) closest to the hit point. — 1991