plateletpheresis - platelets are separated from whole blood and the rest is returned to the donor. pheresis, apheresis - a procedure in which blood is drawn and separated into its components by dialysis; some are retained and the rest are returned to the donor by transfusion.
Webster Dictionary(0.00 / 0 votes)Rate this definition: Iodine(noun) a nonmetallic element, of the halogen group, occurring always in combination, as in the iodides. When isolated it is in the form of dark gray metallic scales, resembling plumbago, soft but brittle, and emitting a chlorinelike odor.
U.S. National Library of Medicine(0.00 / 0 votes)Rate this definition: Iodine. A nonmetallic element of the halogen group that is represented by the atomic symbol I, atomic number 53, and atomic weight of 126.90. It is a nutritionally essential element, especially important in thyroid hormone synthesis.