WordNet 3.0 Copyright © 2006 by Princeton University.
- 1. erythrocyte sedimentation rate, ESR, sedimentation rate, sed rate, rate
- usage: the rate at which red blood cells settle out in a tube of blood under standardized conditions; a high rate usually indicates the presence of inflammation
- 2. electron spin resonance, ESR, electron paramagnetic resonance, microwave spectroscopy
- usage: microwave spectroscopy in which there is resonant absorption of radiation by a paramagnet
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See also: esr (Dictionary)