direction cosine

noun

Definition of direction cosine 

: any of the cosines of the three angles between a directed line in space and the positive direction of the axes of a rectangular Cartesian coordinate system usually used in plural

First Known Use of direction cosine

circa 1889, in the meaning defined above

Keep scrolling for more

Learn More about direction cosine

Share direction cosine

Statistics for direction cosine

Look-up Popularity

Time Traveler for direction cosine

The first known use of direction cosine was circa 1889

See more words from the same year

Comments on direction cosine

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

WORD OF THE DAY

to reject or criticize sharply

Get Word of the Day daily email!

Test Your Vocabulary

Words from Greek and Roman Mythology Quiz

  • the-triumph-of-venus-by-alessandro-magnasco
  • Boreal comes from the name of the ancient Greek god of which wind?
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

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