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[sef-uh-loh-spawr-in, -spohr-] /ˌsɛf ə loʊˈspɔr ɪn, -ˈspoʊr-/
noun, Pharmacology
any of a group of widely used broad-spectrum antibiotics, originally isolated as a product of fermentation from the fungus Cephalosporium acremonium.
1950-55; < New Latin Cephalospor(ium) the genus (see cephalo-, -spore, -ium) + -in2 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for cephalosporin
  • The team has now made three new synthetic antibiotics based on cephalosporin, a close relative of penicillin.
British Dictionary definitions for cephalosporin


any of a group of broad-spectrum antibiotics obtained from fungi of the genus Cephalosporium
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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cephalosporin in Medicine

cephalosporin ceph·a·lo·spo·rin (sěf-ə-lə-spôr'ĭn)
Any of various broad-spectrum antibiotics, closely related to the penicillins, that were originally derived from the fungus Cephalosporium acremonium.

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

any of a group of beta-lactam antibiotics that inhibit the synthesis of a structural component of the bacterial cell wall. The cephalosporins were first isolated from cultures of the fungus Cephalosporium acremonium. Modifications of the beta-lactam ring have resulted in more than 20 derivatives with a range of antibacterial properties. The cephalosporins are often used as an alternative in patients who are sensitive to penicillin.

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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