polymyxin

pol·y·myx·in

 (pŏl′ē-mĭk′sĭn)

n.

Any of various mainly toxic antibiotics derived from strains of the soil bacterium Bacillus polymyxa and used to treat various infections with gram-negative bacteria.

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[New Latin polymyxa, specific epithet (poly- + Greek muxa, slime) + -in.]

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

polymyxin

(ˌpɒlɪˈmɪksɪn)

n

(Pharmacology) any of several polypeptide antibiotics active against Gram-negative bacteria, obtained from the soil bacterium Bacillus polymyxa

[C20: from New Latin Bacillus polymyxa; see poly-, myxo-, -in]

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

Thesaurus

Noun

1.

polymyxin - any of several toxic antibiotics obtained from a particular soil bacterium antibiotic, antibiotic drug - a chemical substance derivable from a mold or bacterium that can kill microorganisms and cure bacterial infections; "when antibiotics were first discovered they were called wonder drugs"

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