maser
nounUS /ˈmeɪzɚ/
Etymology From MASER, acronym of microwave amplification by stimulated emission of radiation.
1
Natural sciences, Physical sciences, Physics a device for the coherent amplification or generation of electromagnetic radiation (especially of microwave frequency) by the use of excitation energy in resonant atomic or molecular systems
2
Astronomy, Natural sciences Any celestial object that generates microwaves using the same method
- Derived terms
- astronomical maser, gas maser, hydrogen maser atomic clock, kilomaser, masering, megamaser, micromaser, nonmaser, optical maser, solid-state maser
- Related terms
- laser