from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A semisynthetic analogue of cephalosporin, C16H17N3O3S, that is administered orally and has a broad spectrum of antibiotic activity.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A broad-spectrum cephalosporin antibiotic.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a cephalosporin antibiotic (trade name Ultracef)
Alteration of cepha(losporin) + alteration of (hy)droxyl.(American Heritage® Dictionary of the English Language, Fourth Edition)
These are converted into active pharmaceutical ingredients like amoxicillin, ampicillin, cephalexin and cefadroxil.