Heptads [noun]

Definition of Heptads:

seven of something

Synonyms of Heptads:


Opposite/Antonyms of Heptads:

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Sentence/Example of Heptads:

But this oddness belongs to other numbers also (pentad, heptad, &c.).

Heptad, a term in chemistry to denote an atom that is the equivalent of seven atoms of hydrogen, from hepta, seven.