chemosensitizer

[kē′mō-sĕnsĭ-tī′zər]
n.
  1. Any of several compounds that inhibit the functioning of a particular cellular glycoprotein and make cells, especially tumor cells, sensitive to chemotherapeutic agents.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.