laboratory frame
Nuclear Physics
noun
(More fully laboratory frame of reference) the frame of reference in which a laboratory is stationary, and with respect to which measurements of particle energy, velocity, etc., are generally made.
Origin
1940s.
- less and less
- less developed
- less-developed country
- lessee
- lesseeship
- lessen
- Lesseps, Ferdinand Marie
- lesser
- lesser ape
- Lesser Bairam
- lesser celandine
- lesser-known
- lesser noctule
- lesser panda
- lesser redpoll
- Lessing, Doris
- Lessing, Gotthold Ephraim
- less is more
- Les Six
- -lessly
- -lessness
- lesson
- lesson plan
- lessor
- less-than sign