- From, away from, off.
- Prefix applied to electrical units in the CGS-electromagnetic system to distinguish them from units in the CGS-electrostatic system (prefix stat-) and those in the metric system or SI (no prefix).
[L. ab, from, usually abs- before c, q, and t; often a- before m, p, or v]
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Examples: glitazone, GI cocktail, etc.