Heptad
# Heptad

Heptad ('group of 7') or heptade may refer to:

* Heptad (chord), heptachord in music (set)
* Heptad (computing), a group of 7 bits in computing
* Heptad repeat, a structural motif in proteins
* L'Heptade, an album by Harmonium in 1976
