jiffy vs meantime

jiffy

noun
  • 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. 

  • 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 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). 

meantime

adv
  • during the interval; meanwhile 

noun
  • The time spent waiting for another event; time in between. 

How often have the words jiffy and meantime occurred in a corpus of books? (source: Google Ngram Viewer )