a quantum leap

This page is about the idiom a quantum leap.

Meaning: A quantum leap is a major step in the development of something, or in the improvement of something.

For example:

  • The discovery of penicillin was a quantum leap in the treatment of bacterial infections.

  • The election of an African-American president amounted to a quantum leap forward for racial equality.

Quick Quiz:

Which of the following could be called a quantum leap in the development of technology?

a. the invention of the padded bra

b. the discovery of alcohol-free beer

c. the creation of the first computer

Idiom of the Day

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Contributor: Matt Errey