Definition of slow-motion
(Entry 1 of 2)
: of, relating to, or being motion-picture or video photography in which the action that has been photographed is made to appear to occur slower than it actually occurred
a slow-motion replay
also
: slowly moving
a slow-motion dance
slow motion
nounDefinition of slow motion (Entry 2 of 2)
: slow-motion photography
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Merriam-Webster unabridged
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Time Traveler for slow-motion
The first known use of slow-motion was in 1915
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