A very short, unspecified length of time. Example: I’ll be back in a jiffy.
A unit of time defined by the frequency of its basic timer – historically, and by convention, 0.01 of a second, but some computer operating systems use other values.
The length of an alternating current power cycle (1/60 or 1/50 of a second).
The time taken for light to travel a specified distance in a vacuum, usually one centimetre, but sometimes one foot or the width of a nucleon.
Short for jiffy bag, a padded envelope.
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