dayglow

noun
day·glow | \ˈdā-ˌglō \

Definition of dayglow 

: airglow seen during the day

First Known Use of dayglow

1951, in the meaning defined above

Keep scrolling for more

Learn More about dayglow

Statistics for dayglow

Look-up Popularity

Time Traveler for dayglow

The first known use of dayglow was in 1951

See more words from the same year

More from Merriam-Webster on dayglow

See words that rhyme with dayglow

Britannica.com: Encyclopedia article about dayglow

Comments on dayglow

What made you want to look up dayglow? 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?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
Bee Cubed

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!