Meaning of INSTANTANEOUS in English

— instantaneity /in stan'tn ee"i tee, in'steuhn teuh nee"-/ , instantaneousness , n. — instantaneously , adv.

/in'steuhn tay"nee euhs/ , adj.

1. occurring, done, or completed in an instant: an instantaneous response.

2. existing at or pertaining to a particular instant: the instantaneous position of the rocket.

[ 1645-55; instantaneus. See INSTANT, -AN, -EOUS ]

Syn. 1. immediate, sudden, abrupt.

Random House Webster's Unabridged English dictionary.      Полный английский словарь Вебстер - Random House .