(nuclear physics) Of the point at which the prompt neutrons and delayed neutrons produced by a nuclear fission chain reaction, taken together, are just sufficient to sustain the chain reaction, where changes in reaction power occur slowly.

plural of prompt criticality

(psychotherapy) A subpersonality that judges and demeans the actions, appearance, etc. of oneself.

crucial to the operation of a business

A field of scholarly enquiry dedicated to reconstructing the oldest form(s) of a text that is or are possible to retrieve and to explaining any attested variants.

plural of critical period

(psychology, biology) A maturational stage in the lifespan of an organism during which the nervous system is especially sensitive to certain environmental stimuli.

A detailed text in which the writer employs critical thinking to analyze the subject and considers it from several angles.

Sensitive to latency or small variations in time; time-sensitive. / Reliant on a deterministic ordering in time; time-dependent. / urgent.

(physics) A Reynolds number at which the flow of a fluid changes from laminar to turbulent.