Our online medical glossary of medical terms and definitions includes definitions for terms related to treatment, and general medicine
1. A prefix importance from or away from, off.
2. Applied to electricalunits 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 system (no prefix).
Origin: L. Ab, from, generally abs-before c, q, and t; often a-before m, p, or v