- a semisynthetic penicillin, C18H19N3O5S, taken orally as a broad-spectrum antibiotic.
Origin of amoxicillin
1970–75; perhaps am(ino-hydr)ox(yphenyl) part of its chemical name + (pen)icillin
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- A semisynthetic penicillin having an antibacterial spectrum of action similar to that of ampicillin.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
- An antibiotic derived from penicillin, having an antibacterial spectrum of action similar to that of ampicillin. Chemical formula: C16H19N3O5.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.