WHO SAID IT: A QUIZ ON PRESIDENTIAL WIT AND WISDOM
Word Origin for quantum leap
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Idioms and Phrases with quantum leap
A dramatic advance, especially in knowledge or method, as in Establishing a central bank represents a quantum leap in this small country's development. This term originated as quantum jump in the mid-1900s in physics, where it denotes a sudden change from one energy state to another within an atom. Within a decade it was transferred to other advances, not necessarily sudden but very important ones.