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Added 9 October 2026

heptad

/ˈhɛptæd/ noun

noun Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about heptad at Wordnik → Where our words come from →

The cardinal number that is the sum of six and one.

Origin

From hepta- + -ad.

From Wiktionary, via Kaikki.org (CC BY-SA)

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