rest mass

rest mass


Definition of REST MASS

:  the mass of a body exclusive of additional mass the body acquires by its motion according to the theory of relativity

First Known Use of REST MASS



Next Word in the Dictionary: restor
Previous Word in the Dictionary: restless legs syndrome
All Words Near: rest mass

Seen & Heard

What made you want to look up rest mass? Please tell us where you read or heard it (including the quote, if possible).