quantum leap

noun

Definition of quantum leap

  1. :  an abrupt change, sudden increase, or dramatic advance

Examples of quantum leap in a sentence

  1. Prices have taken a quantum leap upward.

  2. The new drug is a quantum leap in the fight against cancer.

1956

First Known Use of quantum leap

1956


QUANTUM LEAP Defined for English Language Learners

quantum leap

noun

Definition of quantum leap for English Language Learners

  • : a sudden large change, development, or improvement


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