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

triangle inequality

noun

Definition of triangle inequality

  1. :  an inequality stating that the absolute value of a sum is less than or equal to the sum of the absolute values of the terms



Origin of triangle inequality

from its application to the distances between three points in a coordinate system


First Known Use: 1941


Learn More about triangle inequality


Seen and Heard

What made you want to look up triangle inequality? 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?

angry oily prompt maudlin
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