colistin

[kuh-lis-tin]

co·lis·tin

[kuh-lis-tin]
noun Pharmacology.
a toxic antibiotic polypeptide, C45H85O10N13, produced by the bacterium Bacillus colistinus, used in sulfate form against a broad spectrum of microorganisms and in the treatment of severe gastroenteritis.

Origin:
1950–55; < Neo-Latin colistinus epithet for a variety of Bacillus polymyxa, equivalent to coli- (see coliform) + -stinus, apparently an arbitrarily chosen suffix; compare -in2
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Colistin is always a great word to know.
So is quincunx. Does it mean:
a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question.
an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle.
American Heritage
Medical Dictionary

colistin co·lis·tin (kə-lĭs'tĭn, kō-)
n.
An antibiotic produced by the bacterium Bacillus polymyxa or B. colistinus that is effective against a range of gram-negative bacteria and is used especially in the treatment of infections of the gastrointestinal tract.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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