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variants or hept-
1
: seven
heptameter
2
: containing seven atoms, groups, or equivalents
heptane

Word History

Etymology

Greek, from hepta — more at seven

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Cite this Entry

“Hepta-.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hepta-. Accessed 29 Nov. 2025.

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