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Dictionary

am•pi•cil•lin

Pronunciation: (am"pu-sil'in), [key]
—n. Pharm.
a broad-spectrum semisynthetic penicillin, C₁₆H₁₉N₃O₄S, effective against certain susceptible Gram-positive and Gram-negative bacteria.

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

amp-hr

ample

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