Jif"fy (?), n. [Perh. corrupt. fr. gliff.] [Written also giffy.] A moment; an instant; as, I will be ready in a jiffy. [Colloq.] J. & H. Smith.

• (colloquial) A very short, unspecified length of time.
       I'll be back in a jiffy.
  
• (computers) 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.
  
• (physics) The time taken for light to travel one centimetre in a vacuum (sometimes one foot, or sometimes the width of a nucleon
  
• (electronics) The time between alternating current power cycles (1/60 or 1/50 of a second)
  
• A line of baking mixes manufactured by the