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electron spin resonance
1. (General Physics) electron spin resonance
2. (Medicine) erythrocyte sedimentation rate: the rate at which red blood cells settle in a vertical tube, used to detect the presence of disease
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|Noun||1.||ESR - 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|
rate - a magnitude or frequency relative to a time unit; "they traveled at a rate of 55 miles per hour"; "the rate of change was faster than expected"
|2.||ESR - microwave spectroscopy in which there is resonant absorption of radiation by a paramagnet|
microwave spectroscopy - the use of spectroscopy to study atomic or molecular resonances in the microwave spectrum