Definition of rest mass in English:
The mass of a body when at rest.
- The concept of the rest mass derives from special relativity.
- The neutrino was known from the start to be an extraordinarily light particle, perhaps massless, since its rest mass could never be detected.
- Any object with a non-zero rest mass (like a dust mote) can never reach light speed.
Definition of rest mass in:
- US English dictionary
What do you find interesting about this word or phrase?
Comments that don't adhere to our Community Guidelines may be moderated or removed.
Most popular in the US
Most popular in the UK
Most popular in Canada
Most popular in Australia
Most popular in Spain
Most popular in Malaysia
Most popular in India
Most popular in Pakistan