Definition of "radiopharmaceutical" [radiopharmaceutical]

• A radioactive compound used in radiotherapy or diagnosis. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "The radioactivity of a radiopharmaceutical is carefully selected by the nuclear medicine physician to be safe."
• "A radiopharmaceutical is injected into the patient and its emissions are measured by a PET scanner."
• "Reactants in radiopharmaceutical kits, or inactive ingredients that physically or chemically combine with active ingredients to facilitate drug transport are considered inactive ingredients. back to top"