gravitational wave

gravitational wave

noun Astronomy, Physics.
(in general relativity) a propagating wave of gravitational energy produced by accelerating masses, especially during catastrophic events, as the gravitational collapse of massive stars.
Also called gravity wave.


Origin:
1895–1900
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Gravitational wave is always a great word to know.
So is Pisces. Does it mean:
a zodiacal constellation between Aries and Aquarius also called the Fishes
the figure of the moon in its first or last quarter, resembling a segment of a ring tapering to points at the ends
Collins
World English Dictionary
gravitational wave
 
n
physics another name for gravity wave

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Encyclopedia Britannica
Encyclopedia

gravitational wave

the transmission of variations in the gravitational field as waves. According to general relativity, the curvature of space-time is determined by the distribution of masses, while the motion of masses is determined by the curvature. In consequence, variations of the gravitational field should be transmitted from place to place as waves, just as variations of an electromagnetic field travel as waves. If the masses that are the source of a field change with time, they should radiate energy as waves of curvature of the field

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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