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Webster 1913 Edition

Heptavalent

Hep-tav′a-lent

,
Adj.
[
Hepta-
+ L.
valens
, p. pr. See
Valence
.]
(Chem.)
Having seven units of attractive force or affinity; – said of heptad elements or radicals.

Definition 2025

heptavalent

heptavalent

English

Adjective

heptavalent ‎(not comparable)

  1. (chemistry) Having a valency of seven

Synonyms

  • septivalent [1]

References

  1. ↑ Reader's Digest: Complete Wordfinder (1993)

Etymology

From hepta- +‎ -valent

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