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

spinor

play
noun spin·or \ˈspi-nər, -ˌnȯr\

Definition of spinor

  1. :  a vector whose components are complex numbers in a two-dimensional or four-dimensional space and which is used especially in the mathematics of the theory of relativity



Origin of spinor

International Scientific Vocabulary spin + -or (as in vector)


First Known Use: 1931


Learn More about spinor


Seen and Heard

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

WORD OF THE DAY

to defraud especially of money

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?

angry prompt maudlin oily
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