gen·​ta·​mi·​cin | \ ˌjen-tə-ˈmī-sᵊn How to pronounce gentamicin (audio) \

Definition of gentamicin

: a broad-spectrum antibiotic mixture derived from an actinomycete (Micromonospora purpurea or M. echinospora) and extensively used as the sulfate in treating infections (as of the urinary tract)

Examples of gentamicin in a Sentence

Recent Examples on the Web Instead, antibiotics commonly used in flu vaccine manufacturing include neomycin, kanamycin, polymyxin B and gentamicin. Anne P. Kim, The Conversation, 13 Nov. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'gentamicin.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of gentamicin

1963, in the meaning defined above

History and Etymology for gentamicin

alteration of earlier gentamycin, from gentian violet + kanamycin; from the color of the actinomycete

Keep scrolling for more

Learn More About gentamicin

Time Traveler for gentamicin

Time Traveler

The first known use of gentamicin was in 1963

See more words from the same year

Dictionary Entries Near gentamicin




See More Nearby Entries 

Statistics for gentamicin

Cite this Entry

“Gentamicin.” Dictionary, Merriam-Webster, Accessed 27 Sep. 2021.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

Keep scrolling for more

More Definitions for gentamicin


gen·​ta·​mi·​cin | \ ˌjent-ə-ˈmīs-ᵊn How to pronounce gentamicin (audio) \

Medical Definition of gentamicin

: a broad-spectrum aminoglycoside antibiotic mixture that is derived from two actinomycetes of the genus Micromonospora (M. purpurea and M. echinospora) and is extensively used in the form of the sulfate in treating infections especially of the urinary tract

More from Merriam-Webster on gentamicin Encyclopedia article about gentamicin


Test Your Vocabulary

Farm Idioms Quiz

  • cow coming home
  • What does 'poke' refer to in the expression 'pig in a poke'?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!