maser
noun
ma·ser
| \ ˈmā-zər
\
\
Definition of maser
: a device or object that emits coherent microwave radiation produced by the natural oscillations of atoms or molecules between energy levels
Examples of maser in a Sentence
Recent Examples on the Web
So Jefferts intentionally calibrates the maser at a frequency that's too high and one that's too low. — Jay Bennett, Popular Mechanics, "The Centuries-Long Quest to Measure One Second," 24 Mar. 2017 The ball of cesium passes through the maser at the top of the chamber. — Jay Bennett, Popular Mechanics, "The Centuries-Long Quest to Measure One Second," 24 Mar. 2017 The maser–the conceptual predecessor to the laser, which had been invented by Townes and others–had been around since the early 1950s, and the theoretical plans for the laser had also been around for a few years. — Kat Eschner, Smithsonian, "Today We Use Lasers For Almost Everything. But They Took a Long Time to Seem Useful," 7 July 2017 The maser–the conceptual predecessor to the laser, which had been invented by Townes and others–had been around since the early 1950s, and the theoretical plans for the laser had also been around for a few years. — Kat Eschner, Smithsonian, "Today We Use Lasers For Almost Everything. But They Took a Long Time to Seem Useful," 7 July 2017 The maser–the conceptual predecessor to the laser, which had been invented by Townes and others–had been around since the early 1950s, and the theoretical plans for the laser had also been around for a few years. — Kat Eschner, Smithsonian, "Today We Use Lasers For Almost Everything. But They Took a Long Time to Seem Useful," 7 July 2017 The maser–the conceptual predecessor to the laser, which had been invented by Townes and others–had been around since the early 1950s, and the theoretical plans for the laser had also been around for a few years. — Kat Eschner, Smithsonian, "Today We Use Lasers For Almost Everything. But They Took a Long Time to Seem Useful," 7 July 2017 The pumping scheme was originally designed for the laser’s predecessor, the maser, which amplified microwaves instead of light. — Nicholas St. Fleur, New York Times, "Nicolaas Bloembergen, Who Shared Nobel for Advances With Laser Light, Dies at 97," 11 Sep. 2017 The maser–the conceptual predecessor to the laser, which had been invented by Townes and others–had been around since the early 1950s, and the theoretical plans for the laser had also been around for a few years. — Kat Eschner, Smithsonian, "Today We Use Lasers For Almost Everything. But They Took a Long Time to Seem Useful," 7 July 2017These example sentences are selected automatically from various online news sources to reflect current usage of the word 'maser.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
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More Definitions for maser
maser
noun
ma·ser
| \ ˈmā-zər
\
\
Medical Definition of maser
: a device that utilizes the natural oscillations of atoms or molecules between energy levels for generating electromagnetic radiation in the microwave region of the spectrum