jiffy

FREQ #16759

n. 瞬间

发音

US /ˈd͡ʒɪ.fi/
AU
UK /ˈd͡ʒɪ.fi/

词形变化

jiffies 复数 jiffies

别名

giffy

释义与例句

n.
  1. 1.

    A very short, unspecified length of time.

    非正式

    I’ll be back in a jiffy.

  2. 2.

    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.

    计算机 工程 数学
  3. 3.

    The length of an alternating current power cycle (1/60 or 1/50 of a second).

    商务 工程 物理 电子
  4. 4.

    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.

    物理
  5. 5.

    Ellipsis of jiffy bag, a padded envelope.

    英国

词汇关系

名词

同义词 9

flash instant heartbeat wink twinkling split-second blink of an eye New York minute trice

上位词 5

bit second minute moment mo

相关短语

Jiffy bag n. （邮寄图书用的）有衬垫物夹层的大信封 Jiffy bags jiffy bag jiffy bags jiffy tummy in a jiffy 马上,立刻

词源

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.

来源：wiktionary