critical density

[ krit-i-kuhl den-si-tee ]
/ ˈkrɪt ɪ kəl ˈdɛn sɪ ti /

noun Physics.

the density of a pure element or compound at a critical point: If space has positive curvature, the actual density of matter must be larger than the critical density.

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Origin of critical density

First recorded in 1885–90
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for critical density

critical density

noun

the density of matter that would be required to halt the expansion of the universe
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012