va ‧ len ‧ ce /ˈveɪləns/ BrE AmE ( also va‧len‧cy /-lənsi/) noun [countable] technical
[ Date: 1800-1900 ; Language: Late Latin ; Origin: valentia 'power, ability' , from valere ; ⇨ VALOR ]
1 . a measure of the power of atoms to combine together to form ↑ compound s
2 . another spelling of ↑ valance