Any device that can produce or amplify optical radiation primarily by the process of controlled stimulated emission. A laser may emit electromagnetic radiation from the ultraviolet portion of the spectrum through the infrared portion. Also, an acronym for light amplification by stimulated emission of radiation. (JP 3-09.1)
LASER
Meaning of LASER in English
DOD English dictionary of military terms. Английский словарь военных терминов DOD. 2012