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carrier-free

American  
[kar-ee-er-free] / ˈkær i ərˌfri /

adjective

Chemistry.

  1. (of a radioactive isotope) capable of functioning as a tracer without the use of a carrier.

Etymology

Origin of carrier-free

carrier + -free

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.