rapidity
English
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rapidity
- /ɹəˈpɪd.ɪ.ti/
Where it comes from
From rapid + -ity, from French rapidité, from Latin rapiditas.
noun rapidities
- speed, swiftness; the condition of being rapid Although appreciating the rapidity and frequency of the Southern electric services I was now to use on short journeys, I became more than ever convinced that electric traction offers very little of interest to the dyed-in-the-wool railwayist.
- 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).
- A measure of the velocity of a particle in a beam relative to the beam's axis
Translations
Talk about this word "rapidity." Wiktionary, via Micwyn, micwyn.com/word/rapidity. Accessed 6 Nov. 2026. rapidity. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/rapidity "rapidity." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/rapidity.Cite this
@misc{rapidity_2026,
title = {rapidity},
howpublished = {Wiktionary, via Micwyn},
year = {2026},
url = {https://micwyn.com/word/rapidity},
urldate = {2026-11-06}
}
