район

• раіо́нъ (raión) — Pre-reform orthography (1918)

First attested in 1865. Borrowed from French rayon, from rai + -on, from Latin radius.

Regardless of etymology, not cognate with the English region, of which it is a false friend.

• IPA^(key): [rɐˈjɵn]

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райо́н • (rajón) m inan (genitive райо́на, nominative plural райо́ны, genitive plural райо́нов, relational adjective райо́нный)

1. district
2. region, area

• райони́ровать (rajonírovatʹ)
• микрорайо́н (mikrorajón)

• → English: raion
• → Ingrian: raijona, rajona
• → Romanian: raion
• → Uyghur: رايون (rayon)
• → Yakut: оройуон (oroyuon)

• Vasmer, Max (1964–1973) “район”, in Oleg Trubachyov, transl., Этимологический словарь русского языка [Etymological Dictionary of the Russian Language] (in Russian), Moscow: Progress
• Chernykh, P. Ja. (1993) “район”, in Историко-этимологический словарь русского языка [Historical-Etymological Dictionary of the Russian Language] (in Russian), 3rd edition, volumes 2 (панцирь – ящур), Moscow: Russian Lang., →ISBN, page 96

• р-н. (r-n.) (abbreviation)

• IPA^(key): [rɐˈjɔn]

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райо́н • (rajón) m inan (genitive райо́ну, nominative plural райо́ни, genitive plural райо́нів)

1. district
2. region, area
3. raion

• мікрорайо́н (mikrorajón)

• Bilodid, I. K., editor (1970–1980), “район”, in Словник української мови: в 11 т. [Dictionary of the Ukrainian Language: in 11 vols] (in Ukrainian), Kyiv: Naukova Dumka