Word Study
heptarchist |
heptarchy |
heptaspermous |
heptastich |
heptateuch |
heptavalent
| heptene
| heptine
| heptoic
| heptone
| heptyl
heptavalent
CIDE DICTIONARY
heptavalent, a. [Hepta- + L. valens, p. pr. See Valence.].
Having seven units of attractive force or affinity; -- said of heptad elements or radicals. [1913 Webster]
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