Meaning

noun an acronym for light amplification by stimulated emission of radiation; an optical device that produces an intense monochromatic beam of coherent light

originEtymology tree Proto-Indo-European *lewk-der. Proto-Germanic *leuhtaz Proto-West Germanic *leuht Old English lēoht Middle English light English light Proto-Indo-European *h₃emh₃-der. Proto-Indo-European *h₃emh₃-lo-s Proto-Italic *amlos? Proto-Indo-European *h₂ent- Proto-Indo-European *-s Proto-Indo-European *h₂énts? Proto-Indo-European *h₂m̥bʰíder. Proto-Italic *amβi Latin ambi-…

Etymology from Wiktionary, CC BY-SA 3.0