imaginary part

noun

Definition of imaginary part 

: the part of a complex number (such as 3i in 2 + 3i) that has the imaginary unit as a factor

First Known Use of imaginary part

1747, in the meaning defined above

Keep scrolling for more

Learn More about imaginary part

Share imaginary part

Statistics for imaginary part

Look-up Popularity

Time Traveler for imaginary part

The first known use of imaginary part was in 1747

See more words from the same year

Comments on imaginary part

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

WORD OF THE DAY

by word of mouth

Get Word of the Day daily email!

Test Your Vocabulary

Name that Food Quiz

Name That Thing

Test your visual vocabulary with our 10-question challenge!

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!