高铁血红蛋白 gāotiěxuèhóngdànbái methemoglobin Origin Definitions Defs Strokes Stroke Words Sentences Sents 高 gāo per- (chemistry) prefix for an acid or compound containing more oxygen than the standard铁 鐵 tiě noun iron iron (Fe); the metal used for making steel and tools血红蛋白 血紅蛋白 xuèhóngdànbái hemoglobin The iron-containing protein in red blood cells that carries oxygen and carbon dioxide; also called 血色素 xuèsèsù.