n. a device containing a substance the majority of whose atoms or molecules can be put into an excited energy state; allowing the substance to emit coherent light of a precise wavelength in an intense; narrow beam
A laser is used to perform delicate eye surgery.
2 syllables
la-ser
VocabClass lessons are designed to engage students, improve motivation in learning the subject matter, and generate better results. Long-term retention is our focus and by making the learning process fun, our gamified approach has a positive impact on this goal.
View all games!