Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun A hypothetical wave that is held to propagate the force of gravity and to travel at the speed of light.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun physics A postulated
fluctuation inspacetime that propagates as awave at thespeed of light
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kalayzich commented on the word gravitational wave
http://www.abc.net.au/news/2016-02-12/blair-it's-time-to-get-excited-about-gravitational-waves/7162872
February 12, 2016