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Webster 1913 Edition

Heptade

Hep′tade

,
Noun.
[Cf. F.
heptade
. See
Heptad
.]
The sum or number of seven.

Definition 2025

heptade

heptade

English

Noun

heptade ‎(plural heptades)

  1. A sum or group of seven.

Etymology

Compare French heptade. See heptad.

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