a beam of radiation produced from a laser, used in surgery, communications, weapons systems, printing, recording and various industrial processes.
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Question 1 of 7
What does “vacillate” mean?
Origin of laser beam
First recorded in 1960–65
Words nearby laser beam
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
Example sentences from the Web for laser beam
A laser-beam communication system was installed, so that Sol could keep in contact with the ship all the way to Centaurus.Subjectivity|Norman Spinrad