Meaning of LASER in English

LASER

transcription, транскрипция: [ ˈlā-zər ]

noun

Usage: often attributive

Etymology: l ight a mplification by s timulated e mission of r adiation

Date: 1957

1. : a device that utilizes the natural oscillations of atoms or molecules between energy levels for generating a beam of coherent electromagnetic radiation usually in the ultraviolet, visible, or infrared regions of the spectrum

2. : something resembling a laser beam in accuracy, speed, or intensity

threw a laser into the end zone

a laser stare

Merriam-Webster's Collegiate English vocabulary.      Энциклопедический словарь английского языка Merriam Webster.