SPLIT SECOND

Pronunciation (US):

(GB):

IPA (US):

 Dictionary entry overview: What does split second mean? 

• SPLIT SECOND (noun)
  The noun SPLIT SECOND has 1 sense:

1. a very short time (as the time it takes the eye to blink or the heart to beat)

  Familiarity information: SPLIT SECOND used as a noun is very rare.

 Dictionary entry details 

• SPLIT SECOND (noun)

Sense 1

Meaning:

A very short time (as the time it takes the eye to blink or the heart to beat)

Classified under:

Nouns denoting time and temporal relations

Synonyms:

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

Context example:

if I had the chance I'd do it in a flash

Hypernyms ("split second" is a kind of...):

bit; minute; mo; moment; second (an indefinitely short time)

 Context examples 

The resulting blast is terrifyingly powerful, pumping out more energy in a split second than the sun emits in a million years.

(Evidence for supernovas near Earth, NASA)