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Feb 16, 2012
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Dictionary


car•ri•er-free



Pronunciation: (kar'ē-ur-frē"), [key]
—adj. Chem.
(of a radioactive isotope) capable of functioning as a tracer without the use of a carrier.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

Carrièrecarrier pigeon
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