Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Medical
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

opsonic

play
adjective op·son·ic \äp-ˈsä-nik\

Definition of opsonic

  1. :  of, relating to, or involving opsonin



1903

First Known Use of opsonic

1903


Medical Dictionary

opsonic

play
adjective op·son·ic \äp-ˈsän-ik\

Medical Definition of opsonic

  1. :  of, relating to, or involving opsonin <the opsonic action of a serum>




Learn More about opsonic

  1. Medical Dictionary: Definition of "opsonic"


Seen and Heard

What made you want to look up opsonic? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

to eat gluttonously or ravenously

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image567572573

Which of these is a synonym of unctuous?

oily prompt maudlin angry
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ