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

Medical Dictionary

demonstrator

play
noun dem·on·stra·tor \ˈdem-ən-ˌstrāt-ər\

Medical Definition of demonstrator

  1. :  a teacher or teacher's assistant who demonstrates principles or theories studied (as by dissection, experiment, or chemical preparation)





Seen and Heard

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

WORD OF THE DAY

the Celtic May Day festival

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?

maudlin angry oily prompt
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