instantaneous

[in-stuh n-tey-nee-uh s] /ˌɪn stənˈteɪ ni əs/
adjective
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.
Origin
1645-55; < Medieval Latin instantāneus. See instant, -an, -eous
Related forms
instantaneity
[in-stan-tn-ee-i-tee, in-stuh n-tuh-nee-] /ɪnˌstæn tnˈi ɪ ti, ˌɪn stən təˈni-/ (Show IPA),
instantaneousness, noun
instantaneously, adverb
Synonyms
1. immediate, sudden, abrupt.
Examples from the web for instantaneous
  • Forty years ago, instantaneous global communication was possible but costly, and restricted to governments and large corporations.
  • And the full benefits of a cheaper currency have not been instantaneous.
  • Her recovery from respiratory failure is nearly instantaneous.
  • Some scenarios imagine the almost instantaneous failure of the systems that keep the modern world turning.
  • He needed to find a way to make instantaneous color photographs underwater.
  • But exactly how plants manage this nearly instantaneous trick has remained elusive.
  • They made a distinctly odd couple, but their attraction was mutual and instantaneous.
  • Traffic information can be instantaneous and perfectly accurate.
  • It would seem that instantaneous gravitational interaction would severely limit multiple universe ideas, foam, etc.
  • The means of travel are numerous and the communication is instantaneous.
British Dictionary definitions for instantaneous

instantaneous

/ˌɪnstənˈteɪnɪəs/
adjective
1.
occurring with almost no delay; immediate
2.
happening or completed within a moment: instantaneous death
3.
(maths)
  1. occurring at or associated with a particular instant
  2. equal to the limit of the average value of a given variable as the time interval over which the variable is considered approaches zero: instantaneous velocity
Derived Forms
instantaneously, adverb
instantaneousness, instantaneity (ɪnˌstæntəˈniːɪtɪ) noun
Word Origin and History for instantaneous
adj.

1640s (implied in instantaneously), formed in English from Medieval Latin *instantaneus, from instantem (see instant (n.)) on model of spontaneous. Related: Instantaneousness.