heptad

noun

hep·​tad ˈhep-ˌtad How to pronounce heptad (audio)
: a group of seven

Examples of heptad in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The heptad repeats provide structure to the spike protein. William A. Haseltine, Forbes, 18 Mar. 2021

Word History

Etymology

Greek heptad-, heptas, from hepta

First Known Use

1660, in the meaning defined above

Time Traveler
The first known use of heptad was in 1660

Dictionary Entries Near heptad

Cite this Entry

“Heptad.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/heptad. Accessed 30 Dec. 2024.

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