: a synthetic yttrium aluminum garnet of marked hardness and high refractive index that is used especially as a gemstone and in laser technology

Examples of YAG in a Sentence

Recent Examples on the Web These lasers, especially the Nd:YAG, is the latest technology which can hyperfocus on the hair follicle rather than the skin complexion. India Espy-Jones, Essence, 1 Sep. 2023 Carbon dioxide and Er:YAG fractional lasers are the two most popular styles. Claire Bugos, Verywell Health, 21 Apr. 2023 The diode and Nd:YAG lasers, however, have longer wavelengths and generally bypass pigment in the skin. Jessica Cruel, SELF, 25 Jan. 2022

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'YAG.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History


yttrium aluminum garnet

First Known Use

1964, in the meaning defined above

Time Traveler
The first known use of YAG was in 1964

Dictionary Entries Near YAG

Cite this Entry

“YAG.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/YAG. Accessed 25 Sep. 2023.

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