instantaneous

instantaneous is defined in Webster's Unabridged Dictionary (1913) with 1 sense. The full text of each entry is reproduced verbatim below.

Definitions

1.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 (public domain, via GCIDE / Project Gutenberg).

Definitions: Webster's Unabridged Dictionary, 1913 edition (public domain, via GCIDE / Project Gutenberg).
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