00:10
00:09
00:08
00:07
00:06
00:05
00:04
00:03
00:02
00:01
| the amount of a given fissionable material necessary to sustain a chain reaction at a constant rate |
| the attractive effect of matter on other matter; the region surrounding an astronomical body in which the force of gravitation is strong |
| critical volume | |
| —n | |
| the volume occupied by one mole or unit mass of a substance in its critical state | |