Of a mass of bees: to move their abdomens in a coordinated manner so as to produce a shimmering wave effect, thought to deter predators.
From Middle English schimeren, from Old English sċymrian, sċimrian, sċimerian, from Proto-Germanic *skimarōną. Cognate with Dutch schemeren, German schimmern.
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A measure of the irregularities in the loudness of a particular pitch over time.
As such, perturbation measures can only be derived from vowels, most accurately, sustained vowels or steady-state portions of vowels extracted from connected speech. Two commonly obtained perturbation measures are jitter and shimmer.
A thin electronic device that is fit inside a card reader, such as on automated teller machines (ATMs), or point-of-sale terminals (POS's), that acts as an intermediate interface between the chip on a chip-and-pin technology card and the chip reader of the machine, to allow one to clone the chip.