2 definitions found From WordNet (r) 2.0 [wn]: Ag noun: 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}, {atomic number 47}] From The Free On-line Dictionary of Computing (27 SEP 03) [foldoc]: ag The {country code} for Antigua and Barbuda. (1999-01-27)

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