noun, plural va·len·cies. Chemistry.
Examples from the Web for valency
Historical Examples of valency
It is equal to the molecular weight of the ion, divided by 96.537 times its valency.The Mechanism of Life
It is the river Valency of which he speaks, the more important of the streams that join just above the haven.The Cornwall Coast
Arthur L. Salmon
The term “valency” is not altogether an easy one to define; we will, however, here do our best to make plain its significance.
Hydrogen, however, appears to be invariably univalent, and is therefore taken as the unit of valency.
The phenomena of valency find their explanation in modern views concerning the constitution of atoms (see § 81).
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