noun, plural va·len·cies. Chemistry.
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Examples from the Web for valencies
Historical Examples of valencies
Three such compounds are possible according to the number of valencies acting directly between the carbon atoms.
esp US and Canadian valence
noun plural -cies or -ces
chem a property of atoms or groups, equal to the number of atoms of hydrogen that the atom or group could combine with or displace in forming compounds
linguistics the number of satellite noun phrases with which a verb combinesthe English verb `give' takes a subject and two objects, so it has a valency of three
- the number of antigen-binding sites on an antibody molecule
- the number of antigen-binding sites with which an antigen can combine
Word Origin for valency
C19: from Latin valentia strength, from valēre to be strong
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