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quantum leap

noun

Definition of quantum leap

:an abrupt change, sudden increase, or dramatic advance

See quantum leap defined for English-language learners

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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.

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

Learn More about quantum leap

  1. See words that rhyme with quantum leap

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Examples: quantum leap in a Sentence