criticality

From critical +‎ -ity.

• IPA^(key): /ˈkɹɪtɪˌkælɪti/, /ˈkɹɪtəˌkæləti/

• Audio (Southern England):

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criticality (countable and uncountable, plural criticalities)

1. The state of being critical.

   They weren't aware of the criticality of the situation.

2. (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.
3. (physics) The point at which a nuclear chain reaction becomes self-sustaining.

(state of a nuclear chain reaction):

• delayed criticality
• prompt criticality

• criticalness