- pertaining to a state, value, or quantity at which one or more properties of a substance or system undergo a change.
- (of fissionable material) having enough mass to sustain a chain reaction.
Origin of critical
Synonyms for critical
Related Words for criticalityseriousness, pressure, necessity, desperation, stress, exigency, imminence, incitement, insistence, need, instancy, importunity
Examples from the Web for criticality
Historical Examples of criticality
Jack could have spitted anybody for coming to disturb him at such a criticality.The Ned M'Keown Stories
1580s, "censorious," from critic + -al (1). Meaning "pertaining to criticism" is from 1741; medical sense is from c.1600; meaning "of the nature of a crisis" is from 1640s; that of "crucial" is from 1841, from the "decisive" sense in Latin criticus. Related: Criticality (1756; in the nuclear sense, 1950); critically (1650s, "accurately;" 1815, "in a critical situation"). In nuclear science, critical mass is attested from 1940.