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superluminal

[soo-per-loo-muh-nl] /ˌsu pərˈlu mə nl/
adjective, Astronomy
1.
appearing to travel faster than the speed of light.
Origin of superluminal
super- + Latin lūmin-, stem of lūmen light + -al1
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for superluminal

superluminal

/ˌsuːpəˈluːmɪnəl/
adjective
1.
(physics) of or relating to a speed or velocity exceeding the speed of light
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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