instantaneity

/ɪnˌstæntəˈniːəti/
noun
  1. The quality or state of happening or being done in an instant; extreme quickness.
    • Scientists marveled at the instantaneity of the chemical reaction under the microscope.
    • The magician's trick relied on the instantaneity of his hand movements to fool the audience.
    • The instantaneity of digital communication has changed how we interact with each other.
Antonyms