- The definition of a yag is a synthetic garnet used as a gem and in lasers.
An example of a yag is a garnet made of aluminum and yttrium.
Yags are used as jewelry and in lasers.
A hard synthetic yttrium aluminum garnet used in laser technology and as a gemstone.
Origin of YAGy(ttrium) + a(luminum) + g(arnet)1.
Variant of YAG