ruby laser
noun
A laser in which a ruby crystal is the working medium, generating pulses of red light.
- The first functional laser, in 1960, was a ruby laser..
Origin
1960s; earliest use found in The New York Times.
- stay over
- stay put
- stay rod
- staysail
- stay someone's hand
- stay stitching
- stay the course (or distance)
- stay up
- stay well
- stay with
- Staël, Mme de
- St Bartholomew's Day Massacre
- St Barts
- St. Basil's Cathedral
- stbd.
- St Bernard
- St Bernard dog
- St Bernard Pass
- St Bridget
- St Christopher and Nevis, Federation of
- St Clements
- St Croix
- STD
- std.
- St David's