noun, Chemistry.
a radioactive isotope of phosphorus, used as a chemotherapeutic agent.

phosphorus-32 n.
A radioactive beta-emitting isotope of phosphorus having a half-life of 14.3 days and used as a tracer in studies of the metabolism of nucleic acids and phospholipids, and also used in the treatment of certain diseases of the osseous and hematopoietic systems.


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