heptad
About Our Definitions: All forms of a word (noun, verb, etc.) are now displayed on one page.


hep·tad

noun \ˈhep-ˌtad\

Definition of HEPTAD

: a group of seven

Origin of HEPTAD

Greek heptad-, heptas, from hepta
First Known Use: 1660

Browse

Next Word in the Dictionary: heptadecane
Previous Word in the Dictionary: heptacosane
All Words Near: heptad

Seen & Heard

What made you want to look up heptad? Please tell us where you read or heard it (including the quote, if possible).

Name That Thing

Take Our 10-Question Quiz

Get Our Free Apps
Voice Search, Favorites,
Word of the Day, and More
Join Us on FB & Twitter
Get the Word of the Day and More