Heptad [noun]

Definition of Heptad:

seven of something

Synonyms of Heptad:

● Hebdomad

● Septenary

● Heptade

● Septuplicate


Opposite/Antonyms of Heptad:

-


Sentence/Example of Heptad:

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.