jiffy
Meaning
- (colloquial) 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).
- The time taken for light to travel a specified distance in a vacuum, usually one centimetre (approximately 33.3564 picoseconds), but sometimes one foot or the width of a nucleon.
- (UK, abbreviation, alt-of, ellipsis) Ellipsis of jiffy bag, a padded envelope.
Synonyms
Translations
Frequency
Pronounced as (IPA)
/ˈd͡ʒɪ.fi/
Etymology
Origin unknown; said to have been thieves’ cant for “lightning”. Also formerly written "giffy", to which a connection with gliff has been proposed. As a kind of envelope, a genericization of Jiffy bag.
Notes
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