Definition

A collection or set that consists of seven items or elements.

Example

The heptad of colors in the rainbow includes red, orange, yellow, green, blue, indigo, and violet.

Conversation

Did you know that a heptad refers to a group of seven things?

Really? I had no idea!

Yeah, it's a pretty interesting term, especially in math or music.

I might start using it to describe our group of friends!

Synonyms & Antonyms

Root Explanation

Heptad is formed from "hepta-" (from Greek "heptá", meaning seven) and "-ad" (a suffix used in English to denote a group or collection). The word "heptad" refers to a group or set of seven.

Memory Tip

Think of the Greek word for seven, 'hepta-', to remember that a heptad is a collection of seven.

Visually Confused Words