a synthetic yttrium aluminum garnet, used for infrared lasers and as a gemstone.

Origin of YAG

1960–65; y(ttrium) a(luminum) g(arnet)
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for yag

Historical Examples of yag

  • Den op in vindow he see big flag, And tenk at first he must have a yag.

    The Norsk Nightingale

    William F. Kirk

  • She washed it, and put a yag on it, and made it feel a great deal better.

    Bessie and Her Friends

    Joanna H. (Joanna Hooe) Mathews