Ability to withstand extreme conditions, hardiness.
Unyielding boldness and daring; firmness in doing something that exposes one to difficulty, danger, or calamity; intrepidness.
Excessive boldness; foolish daring; offensive assurance.
A unit of damage, used to specify the amount of damage a character or object can withstand before it is defeated or destroyed.
In ray tracing, the point in a scene at which a ray strikes an object.