You searched for: “rapidity
rapidity (s) (noun), rapidities (pl)
A fast state or quality; speediness; celerity: The rapidities of the tornadoes caught just about everyone off guard and no one was prepared for the destructive consequences.

The new student, Jennifer, amazed the teacher and the class with her rapidity in solving mental math calculations.

This entry is located in the following unit: rap-, rav- (page 1)