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

dextrorotatory

play
adjective dex·tro·ro·ta·to·ry \-ˈrō-tə-ˌtȯr-ē\

Definition of dextrorotatory

  1. :  turning clockwise or toward the right; specifically :  rotating the plane of polarization of light toward the right <dextrorotatory crystals> — compare levorotatory



Circa 1872

First Known Use of dextrorotatory

circa 1872


Medical Dictionary

dextrorotatory

play
adjective dex·tro·ro·ta·to·ry \-ˈrōt-ə-ˌtōr-ē, -ˌtȯr-\

Medical Definition of dextrorotatory

  1. :  turning clockwise or toward the right; especially :  rotating the plane of polarization of light toward the right <dextrorotatory crystals>—compare levorotatory



Variants of dextrorotatory

also

dextrorotary

\-ˈrōt-ə-rē\play

Learn More about dextrorotatory


Seen and Heard

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

WORD OF THE DAY

not forbidden by law

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

two-chairs-on-a-pier-by-the-ocean-in-summer

Which of the following words means “of or relating to summer”?

brumal vernal hiemal estival
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