wave number

noun

Definition of wave number

: the number of waves per unit distance of radiant energy of a given wavelength : the reciprocal of the wavelength

First Known Use of wave number

1873, in the meaning defined above

Keep scrolling for more

Learn More about wave number

Statistics for wave number

Look-up Popularity

Time Traveler for wave number

The first known use of wave number was in 1873

See more words from the same year

More from Merriam-Webster on wave number

Britannica.com: Encyclopedia article about wave number

Comments on wave number

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

WORD OF THE DAY

an enemy or opponent

Get Word of the Day daily email!

Test Your Vocabulary

Words from Greek and Latin Quiz

  • roman forum
  • Which of the following months comes from a Latin word for “ten”?
True or False

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

TAKE THE QUIZ
Citation

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!