- having a valency of sevenAlso: septivalent
WordReference Random House Unabridged Dictionary of American English © 2026
hep•ta•va•lent
(hep′tə vā′lənt),USA pronunciation adj. [Chem.]
- Chemistryseptivalent.
- hepta- + -valent
Collins Concise English Dictionary © HarperCollins Publishers::
heptavalent /hɛpˈtævələnt; ˌhɛptəˈveɪlənt/ adj
'heptavalent' also found in these entries (note: many are not synonyms or translations):