missing mass
Americannoun
Etymology
Origin of missing mass
First recorded in 1975–80
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The crash produced a new black hole containing 21 times the mass of the sun—the missing mass from the parent black holes was converted to energy in the form of gravitational waves.
From Salon • Jun. 16, 2016
Suppose the π -meson is at rest and all of the missing mass goes into the muon’s kinetic energy.
From Textbooks • Aug. 12, 2015
There is no evidence of any missing mass yet.
From Nature • Jan. 30, 2013
It has always maintained a minority position among theories proposed to solve the missing mass problem.
From BBC • Feb. 25, 2011
The missing mass has been converted into energy.
From "Meltdown" by Deirdre Langeland
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
