he·mo·glo·bi·nom·e·ter \-ˈnäməd.ə(r)\noun Etymology: International Scientific Vocabulary hemoglobin + -o- + -meter : an instrument for the colorimetric determination of hemoglobin in blood < visual and photoelectric hemoglobinometers > • he·mo·glo·bi·nom·e·try\-mə.trē\noun-es