responder

noun

re·​spond·​er ri-ˈspän-dər How to pronounce responder (audio)
: one that responds (as to treatment or to an antigen)

Dictionary Entries Near responder

Cite this Entry

“Responder.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/responder. Accessed 7 Dec. 2022.

More from Merriam-Webster on responder

Love words? Need even more definitions?

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


Commonly Confused Words Quiz

  • vector image of a face with thought expression
  • I went to the ______ store to buy a birthday card.
Name That Thing

You know what it looks like… but what is it called?

TAKE THE QUIZ
Universal Daily Crossword

A daily challenge for crossword fanatics.

TAKE THE QUIZ