pertechnetate

noun
per·​tech·​ne·​tate | \ pər-ˈtek-nə-ˌtāt How to pronounce pertechnetate (audio) \

Medical Definition of pertechnetate

: an anion [TcO4] of technetium used especially in the form of its sodium salt as a radiopharmaceutical in medical diagnostic scanning (as of the thyroid or brain)