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hypervelocity

[hahy-per-vuh-los-i-tee] /ˌhaɪ pər vəˈlɒs ɪ ti/
noun, plural hypervelocities.
1.
extremely high velocity, as of projectiles, space vehicles, or accelerated nuclear particles.
Origin of hypervelocity
1945-1950
1945-50; hyper- + velocity
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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