| 1. | any of a group of proteins, as myosin, occurring in plant and animal tissue, insoluble in pure water but soluble in dilute salt solutions and coagulable by heat. |
| 2. | any of several groups of blood plasma proteins, divided into fractions, as alpha, beta, or gamma globulin, depending on electrophoretic mobility. |
globulin glob·u·lin (glŏb'yə-lĭn)
n.
Any of a family of proteins that are precipitated from plasma by ammonium sulfate and may be further fractionated into many subgroups that differ with respect to associated lipids or carbohydrates.