INSTANTANEOUSLY
instantaneously, outright, instantly, in a flash
(adverb) without any delay; “he was killed outright”
Source: WordNet® 3.1
Etymology
Adverb
instantaneously (not comparable)
Without any delay; in an instantaneous manner.
Synonyms
• (without delay): immediately, in a flash, instantly, outright, right now
Source: Wiktionary
INSTANTANEOUS
In`stan*ta"ne*ous, a. Etym: [Cf. F. instantané.]
1. Done or occurring in an instant, or without any perceptible
duration of time; as, the passage of electricity appears to be
instantaneous.
His reason saw With instantaneous view, the truth of things. Thomson.
2. 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.
– Instantaneous axis of rotation (Kinematics), in a body which has
motions both of translation and rotation, is a line, which is
supposed to be rigidly united with the body, and which for the
instant is at rest. The motion of the body is for the instant simply
that of rotation about the instantaneous axis.
– In`stan*ta"ne*ous*ly, adv.
– In`stan*ta"ne*ous*ness, n.
Source: Webster’s Unabridged Dictionary 1913 Edition