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erythromycin

American  
[ih-rith-ruh-mahy-sin] / ɪˌrɪθ rəˈmaɪ sɪn /

noun

  1. Pharmacology. an antibiotic, C 37 H 67 NO 13 , produced by an actinomycete, Streptomyces erythraeus, used chiefly in the treatment of diseases caused by many Gram-positive and some Gram-negative organisms.

erythromycin British  
/ ɪˌrɪθrəʊˈmaɪsɪn /

noun

  1. an antibiotic used in treating certain infections,sometimes as an alternative to penicillin. It is obtained from the bacterium Streptomyces erythreus. Formula: C 37 M 67 NO 13

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
erythromycin Scientific  
/ ĭ-rĭth′rə-mī′sĭn /

  1. An antibiotic obtained from the bacteria Streptomyces erythreus, effective against many gram-positive bacteria and some gram-negative bacteria.

Etymology

Origin of erythromycin

First recorded in 1950–55; erythro- + -mycin

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

But some clams make their own erythromycin, a study has found—the first animals reported to possess this ability.

From Science Magazine • Nov. 30, 2022

On Tuesday, Morato, representing 12 doctors employed at Prevent Senior, said the company threatened and fired doctors who disagreed with a predetermined “COVID kit” that included hydroxychloroquine, erythromycin and ivermectin.

From Reuters • Sep. 28, 2021

Enzymes in bacteria are used to make an important antibiotic, erythromycin, which was first discovered in 1952.

From Salon • Jun. 6, 2021

If Daisy weighs 25 pounds, how many milligrams of erythromycin should her veterinarian prescribe?

From Textbooks • Apr. 22, 2020

I'd tried every over-the-counter zit medication known to man, along with harsher prescription creams like Retin-A or pills like erythromycin that were recommended by my dermatologist.

From "Americanized" by Sara Saedi

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.