They donated money to the critical care unit.
- Critical care unit
critical care unit n. Abbr. CCU See intensive care unit.
noun, Physics. 1. any of three constants associated with the critical point of a pure element or compound.
- Critical damping
noun 1. (physics) the minimum amount of viscous damping that results in a displaced system returning to its original position without oscillation Cc
noun, Physics. 1. the density of a pure element or compound at a critical point. noun 1. the density of matter that would be required to halt the expansion of the universe