Nearby Words
excited state
excited state
noun Physics.
any of the energy levels of a physical system, especially an atom, molecule, etc., that has higher energy than the lowest energy level.
Origin:
1925–30
1925–30
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Based on the Random House Dictionary, © Random House, Inc. 2012.
Cite This Source
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Excited state
is always a great word to know.
So is surface tension. Does it mean:
| a very large colliding-beam machine in which superconducting magnets create millions of megavolts of energy |
| the elasticlike force existing in the surface of a liquid caused by asymmetries in the intermolecular forces between surface molecules |
Dictionary.com's 21st Century Lexicon
| Main Entry: | excited state |
| Part of Speech: | n |
| Definition: | a condition of a physical system, esp. an atom, molecule, etc., in which it has higher energy than the lowest possible energy level; the condition of an atom or molecule after absorbing energy |
| Example: | Excited states tend to be short-lived as they lose energy through collisions or emissions and relax back to ground state. |
American Heritage
Medical Dictionary
excited state ex·cit·ed state (ĭk-sī'tĭd)
n.
The condition of an atom or molecule after absorbing energy from exposure to light, electricity, elevated temperature, or a chemical reaction, and which may be a necessary prelude to a chemical reaction or to the emission of light.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
American Heritage
Science Dictionary
excited state  (ĭk-sī'tĭd) Pronunciation Key
A state of a physical system in which the system has more than the minimum possible potential energy. Excited states tend to be unstable and easily or spontaneously revert to lower energy states, giving off energy. Compare ground state. |
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
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