instantaneous
/ɪnstənˈteɪni.əs/ adjective
- adjective Occurring, arising, or functioning without any delay; happening within an imperceptibly brief period of time.
Synonyms
Antonyms
Etymology
Derived from New Latin īnstāntāneus, from Latin īnstantem.
From New Latin īnstāntāneus, from Latin īnstantem.
Webster’s 1913
- adjective Done or occurring in an instant, or without any perceptible duration of time; as, the passage of electricity appears to be instantaneous.
- adjective At or during a given instant; as, instantaneous acceleration, velocity, etc. Instantaneous center of rotation (Kinematics), in a plane or in a plane figure which has motions both of translation and of rotation in the plane, is the point which for the instant is at rest.
Etymology [Cf. F. instantané.]
Sources: Wiktionary · Webster’s 1913 — from the Wiktionary entry “instantaneous”, CC BY-SA 4.0. Details