- a synthetic analog of a broad-spectrum antibiotic tetracycline drug, C22H24N2O8, used against a wide range of susceptible Gram-positive and Gram-negative organisms.
Origin of doxycycline
contraction of deoxytetracycline
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- a tetracycline antibiotic used to treat conditions caused by a wide range of bacteria, including anthrax
- An antibacterial derived from tetracycline.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.