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superluminal

 - 1 dictionary result

su⋅per⋅lu⋅mi⋅nal

[soo-per-loo-muh-nl]
–adjective Astronomy.
appearing to travel faster than the speed of light.

Origin:
super- + L lūmin-, s. of lūmen light + -al 1
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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