Alternative forms: aether (British spelling, obsolete in chemistry), æther (dated British spelling), aethyr, ethyr (archaic spellings)
From Old French ether, from Latin aethēr, from Ancient Greek αἰθήρ 〈aithḗr〉, from αἴθω 〈aíthō〉.
- (UK) /ˈiːθə/
- (US) /ˈiː.θɚ/
- (organic compound, countable) A compound containing an oxygen atom bonded to two hydrocarbon group.
- (organic compound, uncountable) Diethyl ether (C4H10O), a compound used as an early anaesthetic.
- (ancient philosophy and alchemy, uncountable) A classical physical element, considered as prevalent in the heavens and inaccessible to humans. In some versions of alchemy, this was the fifth element in addition to air, earth, fire and water.
- (archaic, physics, uncountable) A substance (aether) once thought to fill all space that allowed electromagnetic wave to pass through it and interact with matter, without exerting any resistance to matter or energy (disproved by Einstein in his Theory of Relativity).
- (poetic or literary) The sky or heavens; the upper air.
- (transitive, slang) To viciously insult. exampleThe battle rapper ethered his opponent and caused him to slink away in shame.
Hip hop slang. Originates from song by Nas, Ether (song). See Ether_(song)#Significance.
- Reeth, theer, there, three