SINCE 1828
penicillin G
noun
\ -ˈjē
\
\
Medical Definition of penicillin G
: the penicillin C16H18N2O4S that constitutes the principal or sole component of most commercial preparations and is used chiefly in the form of its stable salts (as the sodium salt C16H17N2NaO4S or potassium salt C16H17KN2O4S)
— called also benzylpenicillin
— see penicillin g benzathine, penicillin g procaineComments on penicillin G
What made you want to look up penicillin G? Please tell us where you read or heard it (including the quote, if possible).
Test Your Vocabulary
Homophone Quiz
-
- In order to judge how people felt, the senator's office hired a firm to take a
______.
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
-
Homophone Quiz
More/moor than/then two/too/to.
Take the quiz -
Liar, Liar Quiz
Test your knowledge of words for lies, liars, and those being lied to. In other words, everyone.
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 penicillin G
Resources for penicillin G