from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A hard synthetic yttrium aluminum garnet used in laser technology and as a gemstone.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- Yttrium aluminium garnet, a synthetic material used in lasers and formerly as an artificial gemstone.
y(ttrium) + a(luminum) + g(arnet)1.(American Heritage® Dictionary of the English Language, Fourth Edition)