Beader’s dictionary
Y
YAG
Yag (yttrium aluminum garnet) is the name of a synthetic crystal used as a substitute for diamond. It is a very convincing imitation that was developed in 1969. Its name is derived from its composition. Yag is an yttrium aluminate of a crystallographic garnet structure (yttrium, aluminum, garnet).
YARD
Measuring unit that equals 3 feet or 36 inches. An inch is the equivalent of 2,54 cm and a yard is 91.44 cm.
