erythrocyte sedimentation rate erythrocyte • erythrocytic · · · Info · Definitions · Synonyms · Characters · · erythrocyte sedimentation rate · · Text Common · · Latin · · Scripts 30 · · Length 10 · · Syllables Definitions · · · (noun) 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. Synonyms: erythrocyte sedimentation rate, ESR, sedimentation rate, sed rate. · · Noun Definition 1 Synonyms · · · esr · · Synonym 1 sedimentation rate · · Synonym 2 sed rate · · Synonym 3 Characters · · space U+0020 a latin small letter a U+0061 c latin small letter c U+0063 d latin small letter d U+0064 e latin small letter e U+0065 h latin small letter h U+0068 i latin small letter i U+0069 m latin small letter m U+006D n latin small letter n U+006E o latin small letter o U+006F r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074 y latin small letter y U+0079