ultrashort

play
adjective ul·tra·short \ˌəl-trə-ˈshȯrt\

Definition of ultrashort

  1. 1 :  having a wavelength below 10 meters ultrashort radiation

  2. 2 :  very short in duration an ultrashort pulse of light

1926

First Known Use of ultrashort

1926

Learn More about ultrashort


Seen and Heard

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

Love words? Need even more definitions?

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

WORD OF THE DAY

to glide in or as if in an airplane

Get Word of the Day daily email!

Love words? Need even more definitions?

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