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Consult Chambers 21st Century Dictionary, The Chambers Thesaurus (1996) or Chambers Biographical Dictionary (1997 edition with amendments). Enter your search and choose your title from the drop-down menu.
valency or (especially N Amer) valence noun (valencies; valences) chem a positive or negative whole number that denotes the combining power of an atom of a particular element, equal to the number of hydrogen atoms or their equivalent with which it could combine to form a compound. For example, in water (H2O), oxygen has a valency of two.
ETYMOLOGY: Late 19c in this sense; 17c in obsolete sense 'power' or 'strength', from Latin valentia strength or capacity.
valency or (especially N Amer) valence noun (valencies; valences) chem a positive or negative whole number that denotes the combining power of an atom of a particular element, equal to the number of hydrogen atoms or their equivalent with which it could combine to form a compound. For example, in water (H2O), oxygen has a valency of two.
ETYMOLOGY: Late 19c in this sense; 17c in obsolete sense 'power' or 'strength', from Latin valentia strength or capacity.
valency or (especially N Amer) valence noun (valencies; valences) chem a positive or negative whole number that denotes the combining power of an atom of a particular element, equal to the number of hydrogen atoms or their equivalent with which it could combine to form a compound. For example, in water (H2O), oxygen has a valency of two.
ETYMOLOGY: Late 19c in this sense; 17c in obsolete sense 'power' or 'strength', from Latin valentia strength or capacity.
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The Chambers Dictionary (13th edition)
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The Chambers Thesaurus
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Chambers Biographical Dictionary
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Consult Chambers 21st Century Dictionary, The Chambers Thesaurus (1996) or Chambers Biographical Dictionary (1997 edition with amendments). Enter your search and choose your title from the drop-down menu.
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