Children's, Intermediate and Advanced Online English Dictionary & Thesaurus

Comprehensive
Dictionary Suite
Help
Help
Help
 
Advanced Dictionary    
Display options
Show syllables
Show Lookup History
Double-Click Lookup
  Show Spanish support
 
Pronunciation
Wordsmyth
  Phonics
  IPA
 
Entry formats
Standard
  Classic
 
Lookup History
maser

ma·ser

maser

pronunciation:
meI zr
part of speech: noun
definition: a device that amplifies electromagnetic waves and concentrates them at a single microwave frequency (acronym for "microwave amplification by stimulated emission of radiation").