variants or less commonly nycthemeron
plural nychthemera
or nychthemerons
: a full period of a night and a day

Word History


Greek nychthēmeron, from nykt-, nyx night + -hēmeron (from hēmera day)

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Dictionary Entries Near nychthemeron

Cite this Entry

“Nychthemeron.” Dictionary, Merriam-Webster, Accessed 19 May. 2024.

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