In two figures having relative motion, one of the two curves which are the loci of the instantaneous center.
2
used to limit the instantaneous amplitude of a waveform (to clip off the peaks of a waveform) n a fast sailing ship used in former times n shears for cutting grass or shrubbery (often used in the plural) n scissors for cutting hair or finger nails (often used in the plural)
3
the instantaneous change of one quantity relative to another
4
for example the [Instagram] feed will be quickly updated and [Instagram] pictures will receive more instantaneous likes. > person 1: I'm thinking of posting this picture on [Instagram]. > person 2: Don't post it now, it's not Instagram Prime Time yet.