adjective Physical Chemistry.
containing negative electricity; tending to migrate to the positive pole in electrolysis.
assuming negative potential when in contact with a dissimilar substance.

1800–10; electro- + negative

electronegativity, noun
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World English Dictionary
electronegative (ɪˌlɛktrəʊˈnɛɡətɪv)
1.  having a negative electric charge
2.  Compare electropositive (of an atom, group, molecule, etc) tending to gain or attract electrons and form negative ions or polarized bonds

electronegativity (ɪˌlɛktrəʊˌnɛɡəˈtɪvɪtɪ)
1.  the state of being electronegative
2.  a measure of the ability of a specified atom to attract electrons in a molecule

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American Heritage
Medical Dictionary

electronegative e·lec·tro·neg·a·tive (ĭ-lěk'trō-něg'ə-tĭv)

  1. Having a negative electric charge.

  2. Tending to attract electrons to form a chemical bond.

  3. Capable of acting as a negative electrode.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
electronegative   (ĭ-lěk'trō-něg'ə-tĭv)  Pronunciation Key 
  1. Tending to attract electrons and to form a negative ion. Nonmetals are generally electronegative.

  2. Having a negative electric charge.

  3. Capable of acting as a negative electrode.

The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Encyclopedia Britannica


in chemistry, the ability of an atom to attract to itself an electron pair shared with another atom in a chemical bond

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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