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Webster 1913 Edition

Instantaneous

Inˊstan-ta′ne-ous

,
Adj.
[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.
–
Inˊstan-ta′ne-ous-ly
,
adv.
–
Inˊstan-ta′ne-ous-ness
,
Noun.

Webster 1828 Edition

Instantaneous

INSTANTA'NEOUS

,
Adj.
Done in an instant; occurring or acting without any perceptible succession; very speedily. The passage of electricity through any given space appears to be instantaneous.

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