| 单词 | quantum leap |
| 释义 | quantum leapquantum jumpSEE SYNONYMS FOR quantum leap ON THESAURUS.COM nouna sudden highly significant advance; breakthrough Word Origin for quantum leapC20: from its use in physics meaning the sudden jump of an electron, atom, etc from one energy level to another Words nearby quantum leapquantum electronics, quantum field theory, quantum flavourdynamics, quantum gravity, quantum jump, quantum leap, quantum mechanics, quantum meruit, quantum number, quantum optics, quantum physics Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Idioms and Phrases with quantum leapquantum 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. The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. Cultural definitions for quantum leapquantum leap In physics, the movement of an electron from one orbit in an atom to another, sending out or taking on a photon in the process. (See Bohr atom.) notes for quantum leapInformally, a “quantum leap” may be any great, sudden, or discontinuous change. The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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