maser
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
Other meanings
Any celestial object that generates microwaves using the same method
A kind of
- amplifier
Kinds of maser
- gas maser
Where this comes from
This definition is adapted from “maser” on Wiktionary, by its contributors; related-word lists use Open English WordNet (CC BY 4.0, based on Princeton WordNet), published under CC BY-SA 4.0. This page is published under the same licence.