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polymyxin definition

poly·myxin (päl′i mik′sin)

noun

any of various antibiotics obtained from strains of a soil bacterium (Bacillus polymyxa), esp. effective against Gram-negative bacteria

Etymology: < ModL (Bacillus) polymyx(a) (< poly-, poly- + -myxa < Gr myxa, mucus) + -in

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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