noun, plural va·len·cies. Chemistry.
Examples from the Web for valency
The phenomena of valency find their explanation in modern views concerning the constitution of atoms (see § 81).
The term “valency” is not altogether an easy one to define; we will, however, here do our best to make plain its significance.
There is a close relationship between prevailing, valiancy, valency, and value.Essays in Experimental Logic|John Dewey
The number above each column indicates the valency which the elements of each group exhibit towards oxygen.
It is equal to the molecular weight of the ion, divided by 96.537 times its valency.The Mechanism of Life|Stphane Leduc
British Dictionary definitions for valency
esp US and Canadian valence
noun plural -cies or -ces
- the number of antigen-binding sites on an antibody molecule
- the number of antigen-binding sites with which an antigen can combine