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optical maser

American  
[ahp-tuh-kuhl may-zer] / ˈɑp tə kəl ˈmeɪ zər /

noun

  1. Obsolete. the original term for laser.


optical maser Scientific  
  1. A laser that produces visible radiation.


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Thus, the concept of the optical maser — later dubbed the laser — was born.

From Washington Post • Jan. 28, 2015

In 1960, Dr. Townes and Schawlow, both future Nobel laureates, became the first scientists to receive recognition for the optical maser when Bell Labs filed a patent.

From Washington Post • Jan. 28, 2015

The latest device to fascinate the technical community is the optical maser, or, as it is now often called, the laser.

From Scientific American • Jul. 14, 2013

Because it was designed to produce visible light, ihey called their proposed new instrument an optical maser.

From Time Magazine Archive

The heart of the Bell optical maser is a rod of synthetic ruby � in. in diameter and 1� in. long.

From Time Magazine Archive