split–second

adjective

Definition of split–second

  1. 1 :  occurring in a split second <a split–second decision>

  2. 2 :  extremely precise <split–second timing>

1944

First Known Use of split–second

1944



SPLIT–SECOND Defined for English Language Learners

split–second

adjective

Definition of split–second for English Language Learners

  • : done very quickly

  • : very accurate or precise

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the forefront of an action or movement

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