1) Abruptness 2) Celerity 3) Eagerness 4) Expeditiousness 5) Fleetness 6) Haste 7) Immediateness 8) Instancy 9) Instantaneousness 10) Promptitude 11) Promptness 12) Speed 13) Velocity
Found on
https://www.crosswordclues.com/clue/rapidity
1) Alacrity 2) Breakneck speed 3) Celerity 4) Dispatch 5) Fastness 6) Fleetness 7) Pace 8) Quickness 9) Rate 10) Speed 11) Speediness 12) Swiftness 13) Velocity
Found on
https://www.crosswordclues.com/clue/rapidity
In relativity, rapidity is an alternative to speed as a measure of motion. On parallel velocities (say, in one-dimensional space) rapidities are simply additive, unlike speeds at relativistic velocities. For low speeds, rapidity and speed are proportional, but for high speeds, rapidity takes a larger value. The rapidity of light is infinite. Using...
Found on
http://en.wikipedia.org/wiki/Rapidity
• (n.) The quality or state of being rapid; swiftness; celerity; velocity; as, the rapidity of a current; rapidity of speech; rapidity of growth or improvement.
Found on
http://thinkexist.com/dictionary/meaning/rapidity/
Ra·pid'i·ty (rȧ*pĭd'ĭ*tȳ)
noun [ Latin
rapiditas : confer French
rapidité .] The quality or state of being rapid; swiftness; celerity; velocity; as, the
rapidity of a current;
rapidity of speech;
rapidity of growth or improvement.
Sy...Found on
http://www.encyclo.co.uk/webster/R/11
rapidity A rapid state or quality; speediness; celerity.
Found on
http://www.wordinfo.info/words/index/info/view_unit/1830/
No exact match found.
