day and night

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day and night¹

adverb night and day

  1. not comparable All the time; round the clock; unceasingly. Oh that my head were waters, and mine eyes a fountain of tears, that I might weep day and night for the slain of the daughter of my people!

noun night and day

  1. uncountable Synonym of chalk and cheese (“two things that are very different”).

    Similar: chalk and cheese

Day and Night²

Where it comes from

Named for the fact that the rule is its own complement; toggling all cell states results in the pattern evolving similarly, but with living and dead cells switched.

proper noun

  1. A Life-like cellular automaton with the rule B3678/S34678.

Translations

Every language

adv all the time

Españoldía y noche
한국어주야 juya, 밤낮 bamnat
日本語昼夜 chūya, 日夜 nichiya, 昼も夜も hiru mo yoru mo
中文晝夜 /昼夜 zhòuyè, 日夜 rìyè
हिन्दीसुब्ह शाम subha śām, दिन रात din rāt
Portuguêsdia e noite
Françaisjour et nuit
DeutschTag und Nacht
Ελληνικάνυχθημερόν nychthimerón
Русскийднём и но́чью dnjom i nóčʹju, де́нно и но́щно dénno i nóščno
العربيةلَيْلَ نَهَارَ layla nahāra, صَبَاحَ مَسَاءَ ṣabāḥa masāʔa
עבריתיומם ולילה jomám va lájla, יומם וליל jomám va lájil

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MLA

"day and night." Wiktionary, via Micwyn, micwyn.com/word/day%20and%20night. Accessed 6 Nov. 2026.

APA

day and night. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/day%20and%20night

Chicago

"day and night." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/day%20and%20night.

BibTeX
@misc{day_and_night_2026,
  title = {day and night},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/day%20and%20night},
  urldate = {2026-11-06}
}