Also found in: Thesaurus, Medical, Legal, Financial, Encyclopedia, Wikipedia.
Related to criticality: Self-organized criticality
n. pl. crit·i·cal·i·ties
1. The quality, state, or degree of being of the highest importance: "The challenge of our future food supply is approaching criticality" (New York Times).
a. The point at which a nuclear reaction is self-sustaining.
b. The state of a substance or system at its critical point.
1. (General Physics) the state of being critical
2. (Nuclear Physics) physics the condition in a nuclear reactor when the fissionable material can sustain a chain reaction by itself
Switch to new thesaurus
|Noun||1.||criticality - a state of critical urgency|
urgency - the state of being urgent; an earnest and insistent necessity
|2.||criticality - a critical state; especially the point at which a nuclear reaction is self-sustaining|
critical point, crossroads, juncture - a crisis situation or point in time when a critical decision must be made; "at that juncture he had no idea what to do"; "he must be made to realize that the company stands at a critical point"