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

Comprehensive
Dictionary Suite
Help
Help
Help
 
   
Display options
 
Lookup History
laser

la·ser

laser

 
 
pronunciation:
leI zr
features:
Word Combinations (noun), Word Explorer
part of speech: noun
definition: a device that amplifies electrical impulses at mixed frequencies in or near the range of visible light by stimulating the atoms in a medium such as a gas or crystal, producing an intense, concentrated beam of light at one or more virtually distinct frequencies (acronym for "light amplified by stimulated emission of radiation").
 
Word CombinationsSubscriber feature About this feature
Word Explorer
See
  geology, light, physics