pentad

noun
pen·​tad | \ ˈpen-ˌtad How to pronounce pentad (audio) \

Definition of pentad

: a group of five

First Known Use of pentad

1663, in the meaning defined above

History and Etymology for pentad

Greek pentad-, pentas, from pente

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The first known use of pentad was in 1663

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Cite this Entry

“Pentad.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/pentad. Accessed 24 Oct. 2020.

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