эфир

Russian

Alternative forms

эѳи́ръ (efír) (Pre-reform orthography (1918))

Etymology

Borrowed from Ancient Greek αἰθήρ (aithḗr, “upper air”).

Pronunciation

IPA^(key): [ɪˈfʲir]
Audio (file)

Noun

эфи́р • (efír) m inan (genitive эфи́ра, nominative plural эфи́ры, genitive plural эфи́ров)

ether (organic chemistry: a compound containing an oxygen atom bonded to two hydrocarbon groups)
(physics) ether
(alchemy) ether
(broadcasting) air
в эфи́ре ― v efíre ― on air

прямо́й эфи́р ― prjamój efír ― live broadcast (literally, “direct ether”)

Declension

Declension of эфи́р (inan masc-form hard-stem accent-a)

	singular	plural
nominative	эфи́р efír	эфи́ры efíry
genitive	эфи́ра efíra	эфи́ров efírov
dative	эфи́ру efíru	эфи́рам efíram
accusative	эфи́р efír	эфи́ры efíry
instrumental	эфи́ром efírom	эфи́рами efírami
prepositional	эфи́ре efíre	эфи́рах efírax

Related terms

прямо́й эфи́р (prjamój efír)
эфи́рный (efírnyj)

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