Ether

"Ether" in Russian

Эфир

Efir

(ancient American figure of Mormon theology)

эфи́р

efír

(substance supposed to fill the upper regions of the atmosphere)

эфи́р

efír

(substance once thought to fill all unoccupied space)

эфи́р

efír

((organic chemistry) diethyl ether)

эфи́р

efír

((organic chemistry) compound containing an oxygen atom bonded to two hydrocarbon groups)

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.