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1 definition by ambercat

 
1.
abbreviation for "id est," Latin for "that is"; also means, "in other words." it is followed by an explanation, specific list or a paraphrase.

compare with e.g.

also reference: www.getitwriteonline.com/archive/061801.htm, another comparison of i.e. and e.g.
i like music (i.e., the ordering of tones or sounds to produce rhythm, melody and/or harmony.)
by ambercat May 08, 2005