معنی کلمه :‌ rapidity

To take up; to elevate; to assume. [Obs.] Sheldon. That which is assumed; an assumption. [Obs.] The sun of all your assumpts is this. Chillingworth.

The quality or state of being rapid; swiftness; celerity; velocity; as, the rapidity of a current; rapidity of speech; rapidity of growth or improvement.