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orbital

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Orbitals
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or⋅bit⋅al

  [awr-bi-tl]
Use orbital in a Sentence
–adjective
1. of or pertaining to an orbit.
–noun
2. Physics, Chemistry.
a. a wave function describing the state of a single electron in an atom (atomic orbital) or in a molecule (molecular orbital).
b. the electron in that state.
Origin:
1535–45; < NL, ML orbitālis; see orbit, -al 1
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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Orbitals
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or·bi·tal   (ôr'bĭ-tl)   
adj.  Of or relating to an orbit.
n.  The wave function of an electron in an atom or molecule, indicating the electron's probable location.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Medical Dictionary

Main Entry: or·bit·al
Pronunciation: 'or-b&t-&l
Function: noun
: a subdivision of a nuclear shell containing zero, one, ortwo electrons
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

orbital or·bit·al (ôr'bĭ-tl)
adj.
Relating to an orbit.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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