• A short space of time; a moment. <i>synonym</i>: <strong> moment</strong>.
  • A moment; an instant: as, I shall be with you in a <em>jiffy.</em>
  • A moment; an instant.
  • A very short, unspecified length of time.
  • A unit of time defined by the frequency of its basic timer; historically, and by convention, 0.01 seconds, but some operating systems use other values.
  • The time between <xref>alternating current</xref> power cycles (1/60 or 1/50 of a second)
  • The time taken for light to travel one centimetre in a vacuum (sometimes one foot, or sometimes the width of a <xref>nucleon</xref>)
  • a very short time (as the time it takes the eye to blink or the heart to beat)
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