甲型球蛋白 jiǎxíngqiúdànbái alpha globulin Origin Definitions Defs Strokes Stroke Words Sentences Sents 甲型 jiǎxíng type A type A; type I; alpha-grade球蛋白 qiúdànbái globulin A type of globular protein found in blood plasma and plant seeds that is insoluble or poorly soluble in water but soluble in dilute salt solutions; it is often involved in the body's immune response.