The cardinal number that is the sum of six and one
An atom which has a valence of seven, and which can be theoretically combined with, substituted for, or replaced by, seven monad atoms or radicals;
Noun
the cardinal number that is the sum of six and one
n.
An atom which has a valence of seven, and which can be
theoretically combined with, substituted for, or replaced by, seven
monad atoms or radicals; as, iodine is a heptad in iodic acid. Also
used as an adjective.
Heptad
An atom which has a valence of seven, and which can be theoretically combined with, substituted for, or replaced by, seven monad atoms or radicals;
Usage Examples
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