From WordNet (r) 3.0 (2006) :
Ag
n 1: a soft white precious univalent metallic element having the
highest electrical and thermal conductivity of any metal;
occurs in argentite and in free form; used in coins and
jewelry and tableware and photography [syn: silver, Ag,
atomic number 47]
From The Free On-line Dictionary of Computing (30 December 2018) :
ag
The country code for Antigua and Barbuda.
(1999-01-27)