- 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.
Examples from the Web for critical
Dossi initially was listed in critical condition with wounds to his arm and lower back.
But by the time a critical wanted poster sent via fax arrived, more than two hours elapsed.Alleged Cop Killer Ismaaiyl Brinsley Had a Death Wish|M.L. Nestel|December 22, 2014|DAILY BEAST
Truth is, no one is sure how Cuba will play in the critical swing state of Florida in 2016.
And the actor says his childhood experience plays a critical role in his performance.
The outcome of the rum feud is critical for both Bacardi and Pernod Ricard, because the winner could net billions in future sales.
And no one has done more to bring us that critical and creative freedom and enlargement of scope than Remy de Gourmont.The Book of Masks|Remy de Gourmont
Ermigit went to work so well, that even a critical judge could not have pronounced him better or worse than his brother.Red Rooney|R.M. Ballantyne
I suppose I am too critical of women to submit to their fascination.Original Short Stories, Volume 8 (of 13)|Guy de Maupassant
I thought him a little cool and critical in manner, but his voice was pleasant.
The anxiety of Washington in this critical state of the army, may be judged from his correspondence with Reed.
British Dictionary definitions for critical
Word Origin and History for critical
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.