valency
(noun)
noun
1. the phenomenon of forming chemical bonds
Definition categories: phenomenon
2. (biology) a relative capacity to unite or react or interact as with antigens or a biological substrate
Similar word(s): valence
Definition categories: attribute, power, powerfulness
3. (chemistry) a property of atoms or radicals; their combining power given in terms of the number of hydrogen atoms (or the equivalent)
Similar word(s): valence
Definition categories: attribute, power, powerfulness