SINCE 1828
gramicidin
noun
gram·i·ci·din
| \ ˌgra-mə-ˈsī-dᵊn
\
\
Definition of gramicidin
: any of several toxic crystalline polypeptide antibiotics produced by a soil bacterium (Bacillus brevis) and used against gram-positive bacteria in local infections
Keep scrolling for more
Keep scrolling for more
More Definitions for gramicidin
gramicidin
noun
gram·i·ci·din
| \ ˌgram-ə-ˈsīd-ᵊn
\
\
Medical Definition of gramicidin
: an antibacterial mixture produced by a soil bacterium of the genus Bacillus (B. brevis) and used topically against gram-positive bacteria in local infections especially of the eye
Comments on gramicidin
What made you want to look up gramicidin? Please tell us where you read or heard it (including the quote, if possible).
Test Your Vocabulary
Original Meanings Quiz
-
- Which of the following is the earliest known sense of the word awe?
Test your vocabulary with our 10-question quiz!
TAKE THE QUIZ
Test Your Knowledge - and learn some interesting things along the way.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridgedWords at Play
Ask the Editors
Word Games
-
Original Meanings Quiz
A quiz for the pedantic and those annoyed by them!
Take the quiz -
A Green Quiz
How many questions can you answer about the word "green"?
Take the quiz -
How Strong Is Your Vocabulary?
Test your vocabulary with our 10-question quiz!
Take the quiz -
Word Winder's CrossWinder
Play the game
Share gramicidin
Resources for gramicidin