SEPTIVALENT
Meaning of SEPTIVALENT in English
/sep'teuh vay"leuhnt/ , adj. Chem.
having a valence of seven; heptavalent.
Also, septavalent .
[ 1870-75; SEPTI- + -VALENT ]
Random House Webster's Unabridged English dictionary.
Полный английский словарь Вебстер - Random House .
2012