Dictionary

gravitational wave

noun

Definition of GRAVITATIONAL WAVE

:  a hypothetical wave held to travel at the speed of light and to propagate the gravitational field

First Known Use of GRAVITATIONAL WAVE

1906

Browse

Next Word in the Dictionary: gravitinoPrevious Word in the Dictionary: gravitational waterAll Words Near: gravitational wave
May 24, 2015
erudite Hear it
learned or pedantic
Take a 3-minute break and test your skills!
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears