CRITICALITY

criticality

(noun) a critical state; especially the point at which a nuclear reaction is self-sustaining

criticality, criticalness, cruciality

(noun) a state of critical urgency

Source: WordNet® 3.1

Etymology

Noun

criticality (countable and uncountable, plural criticalities)

The state of being critical.

(education) A disposition for purposeful thinking and acting guided by criteria that are considered to be contextually appropriate and that are expected to result in positive outcomes related to the purpose.

(physics) The point at which a nuclear chain reaction becomes self-sustaining.

Source: Wiktionary