ALL meanings of heptad
hep·tad
H h - noun heptad A group of seven things. 1
- noun heptad the number seven. 1
- noun heptad a group of seven. 1
- noun heptad Chemistry. an element, atom, or group having a valence of seven. 1
- noun heptad a group or series of seven 0
- noun heptad the number or sum of seven 0
- noun heptad an atom or element with a valency of seven 0
- noun heptad a series or group of seven 0