Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “quantum leap”

See all translations

quantum leap

noun [C usually singular] uk   us  
a great improvement or important development in something: The appointment of a female director is a quantum leap for women's equality.
Translations of “quantum leap”
in Chinese (Traditional) 飛躍,重大進展…
in Russian резкий скачок…
in Turkish çok büyük/çok önemli artış/gelişme…
in Chinese (Simplified) 飞跃,重大进展…
in Polish milowy krok, rewolucja…
(Definition of quantum leap from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of quantum leap?
Add Cambridge dictionaries to your browser to your website

Definitions of “quantum leap” in other dictionaries

Word of the Day

work out

to exercise in order to improve the strength or appearance of your body

Word of the Day

Byronic, Orwellian and Darwinian: adjectives from names.

by Liz Walter,
April 15, 2015
Becoming an adjective is a strange kind of memorial, but it is often a sign of a person having had real influence on the world. Science is full of examples, from Hippocrates, the Greek medic born around 460 BC, who gave his name to the Hippocratic Oath still used by doctors today,

Read More 

bio-inspiration noun

April 13, 2015
the adoption of patterns and structures found in nature for the purposes of engineering, manufacturing, science, etc. The MIT researchers actually aren’t the only robotics team to turn to cheetahs for bio-inspiration.

Read More