быстрота́ — meaning in English
bystrota
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English meaning
Senses
быстрота́ is used for these senses in English:
rapidity — full definition
- noun speed, swiftness; the condition of being rapid
- noun A measure of velocity relative to the speed of light; defined as artanh(v), where artanh is the hyperbolic arctangent, and v = speed (with c = speed of light = 1).
- noun A measure of the velocity of a particle in a beam relative to the beam's axis