Standard Lemma guide

nychthemeron

noun · 1 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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  • UK: /nɪkˈθɛm.ə.ɹɒn/
  • UK: /nɪkˈθɛ.mɪ.ɹɒn/
  • US: /nɪkˈθi.mə.ɹɑn/
  • US: /nɪkˈθɛməɹɑn/
  • US: Recorded audio is listed in the source snapshot.

1

noun

Meaning 1

A period of one day and one night, a date: in the West, a period of 24 consecutive hours.

Definition source: English Wiktionary via Wiktextract

Usage: uncommon

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: twenty-four hour day, 24-hour day

Antonyms: none provided

History

Etymology

From Ancient Greek νυχθήμερον (nukhthḗmeron), noun use of the neuter singular form of νυχθήμερος (nukhthḗmeros, “lasting a day and night”), from νύξ (núx, “night”) + ἡμέρα (hēméra, “day”).

Across languages

Translations

33 source translations are retained for this English entry.

  • Southern Altai: конок (konok) — one day and one night
  • Azerbaijani: sutka — one day and one night
  • Bashkir: тәүлек (təwlek) — one day and one night
  • Bulgarian: деноно́щие (denonóštie) — one day and one night
  • Danish: døgn — one day and one night
  • Dutch: etmaal — one day and one night
  • Erzya: чиве (čive) — one day and one night
  • Esperanto: tagnokto — one day and one night
  • Faroese: samdøgur — one day and one night
  • Finnish: vuorokausi — one day and one night
  • French: nycthémère — one day and one night
  • West-Frisian: etmiel — one day and one night
  • Georgian: დღე-ღამე (dɣe-ɣame) — one day and one night
  • German: Etmal — one day and one night
  • Ancient Greek: νυχθήμερον (nukhthḗmeron) — one day and one night
  • Hebrew: יממה — one day and one night
  • Icelandic: sólarhringur — one day and one night
  • Ingush: ди-бийса (di-biı̇sa) — one day and one night
  • Kazakh: тәулік (täulık) — one day and one night
  • Lithuanian: para — one day and one night
  • Macedonian: деноноќие (denonoḱie) — one day and one night
  • Norwegian Bokmål: døgn — one day and one night
  • Norwegian Nynorsk: døgn — one day and one night
  • Norwegian Nynorsk: døger — one day and one night
  • Polish: doba — one day and one night
  • Portuguese: nictémero — one day and one night
  • Portuguese: nictêmero — one day and one night
  • Russian: су́тки (sútki) — one day and one night
  • Spanish: nictémero — one day and one night
  • Swedish: dygn — one day and one night
  • Swedish: dygn — one day and one night
  • Tibetan: ཞག་པོ (zhag po) — one day and one night
  • Ukrainian: доба́ (dobá) — one day and one night