subcritical

adjective

sub·​crit·​i·​cal ˌsəb-ˈkri-ti-kəl How to pronounce subcritical (audio)
1
: less or lower than critical in respect to a specified factor
2
a
: of insufficient size to sustain a chain reaction
a subcritical mass of fissionable material
b
: designed for use with fissionable material of subcritical mass
a subcritical reactor

Examples of subcritical in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Evaluation of the biological activity and chemical profile of supercritical and subcritical extracts of Bursera graveolens from northern Peru Health.com. Sean Mowbray, Discover Magazine, 11 Oct. 2024 Some analysts argue that China may not be planning large blasts but instead ramping up its program of subcritical experiments, which stop short of producing self-sustaining chain reactions. William J. Broad, New York Times, 20 Dec. 2023 Their rocky depths could be used to bottle up blasts from small atom bombs or large subcritical tests. William J. Broad, New York Times, 20 Dec. 2023 The original uranium and graphite used by Dr. Enrico Fermi and his associates in the world's first nuclear reactor have been used in this exponential assembly or subcritical reactor constructed at Argonne National Laboratory, circa 1956. Angie Leventis Lourgos, Chicago Tribune, 2 Aug. 2023 In a subcritical network, the connections are so weak that very few neurons are coupled together, so only a few small assemblies can form. John M. Beggs, Quanta Magazine, 31 Jan. 2023 If the brain were extremely subcritical, according to Beggs, incoming signals would get damped and have no impact. Jennifer Ouellette, Quanta Magazine, 14 June 2018 Priesemann suggests that the brain is slightly subcritical. Jennifer Ouellette, Quanta Magazine, 14 June 2018 Similarly, Viola Priesemann of the Max Planck Institute for Dynamics and Self-Organization in Gottingen has argued that the brain operates in a slightly subcritical zone. Jennifer Ouellette, Ars Technica, 7 June 2019

Word History

First Known Use

1823, in the meaning defined at sense 1

Time Traveler
The first known use of subcritical was in 1823

Dictionary Entries Near subcritical

Cite this Entry

“Subcritical.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/subcritical. Accessed 25 Nov. 2024.

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!