valency
Concise Oxford English Dictionary © 2008 Oxford University Press:
valency /ˈveɪl(ə)nsi/
▶noun (pl. valencies) Chemistry, chiefly Brit. the combining power of an element, especially as measured by the number of hydrogen atoms it can displace or combine with.
– origin C17: from late L. valentia ‘power, competence’.
'valency' also found in these Oxford entries:
auric
- cupric
- cuprous
- divalent
- ferri-
- ferric
- ferro-
- ferrous
- free radical
- heptavalent
- hexavalent
- hypo-
- -ic
- monovalent
- nitric
- octavalent
- -ous
- pentavalent
- phosphoric
- phosphorous
- plumbic
- plumbous
- polyvalent
- stannic
- stannous
- tetravalent
- titanic
- titanous
- trivalent
- valence
