esr   (TTS Sound)

The noun esr has 2 senses

• erythrocyte sedimentation rate, ESR, sedimentation rate, sed rate -- (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)


• electron spin resonance, ESR, electron paramagnetic resonance -- (microwave spectroscopy in which there is resonant absorption of radiation by a paramagnet)