ether
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ether¹
- /ˈiː.θə/ UK
- /ˈi.θɚ/ US
Rhymes with -iːθə(ɹ)
Where it comes from
From Middle English ēther (“the caelum aetherum of ancient cosmology in which the planets orbit; a shining, fluid substance described as a form of air or fire; air”), borrowed from Anglo-Norman ether and Middle French ether, ethere, aether, from Old French aether (“highest and purest part of the atmosphere; medium supposedly filling the upper regions of space”) (modern French éther), or directly from its etymon Latin aethēr (“highest and purest part of the atmosphere; air; heavens, sky; light of day; ethereal matter surrounding a deity”) (note also New Latin aethēr (“chemical compound analogous to diethyl ether”)), from Ancient Greek αἰθήρ (aithḗr, “purer upper air of the atmosphere; heaven, sky; theoretical medium supposed to fill unoccupied space and transmit heat and light”), from αἴθω (aíthō, “to burn, ignite; to blaze, shine”), from Proto-Indo-European *h₂eydʰ- (“to burn; fire”).
The English word is cognate with Italian ether, ethera (both obsolete), etere, Middle Dutch ether (modern Dutch aether (obsolete), ether), German Äther, Ether, Portuguese éter, Spanish éter.
noun ethers · æther · aether · aethyr · ethyr
- The medium breathed by human beings; the air. On Wings the Birds through Æther glide, / And Fiſhes cut with Fins the Tide.
- The sky, the heavens; the void, nothingness. Take a snapshot of the conflicts around the world: Sunnis vs. Shiites, Israelis vs. Palestinians, Serbs vs. Kosovars, Indians vs. Pakistanis. They seem to be driven by religious hatred. It’s enough to make you wonder if the animosity would melt away if all religions were suddenly, somehow, to vanish
- Often as aether and more fully as luminiferous aether: The hypothetical substance permeating space, functioning as a medium for electromagnetic waves to propagate through, and which does not exert resistance to the movement of matter; its existence is incompatible with Einstein's theory of relativity; famously found to be undetectable by the 1887 Michelson–Morley experiment. I ſuppose this æther pervades all groſs bodies, but yet ſo as to ſtand rarer in their pores than in free ſpaces, and ſo much the rarer, as their pores are leſs. And this I ſuppose (with others) to be the cauſe, why light incident on thoſe bodies is refracted towards the perpendicular; […] I ſuppose
- The atmosphere or space as a medium for broadcasting radio and television signals; also, a notional space through which Internet and other digital communications take place; cyberspace. H. P. Lovecraft, At the Mountains of Madness He held some friendly chat with Pabodie over the ether, and repeated his praise of the really marvelous drills that had helped him make his discovery.
- A particular quality created by or surrounding an object, person, or place; an atmosphere, an aura. The luminous æther of his life was not obſcured by any ſhade dark enough to be denominated a defect.
- Diethyl ether (C₄H₁₀O), an organic compound with a sweet odour used in the past as an anaesthetic. But the moſt valuable Qualities of the ÆTHER are it's medicinal ones; it having been found by repeated Experience to be an excellent Remedy in moſt nervous Diſeaſes; particularly in Fits of all ſorts, whether Epileptic, Convulſive, Hyſteric, Hypochondriac, or Paralytic: […]
- Any of a class of organic compounds containing an oxygen atom bonded to two hydrocarbon groups. M. Malaguti finds that dry chlorine, while acting in the dark upon oxacid æthers, always attacks, and in a uniform manner, the sulphuric æther which is the base of them. […] The action of potash on the compound chloridized æthers is also constant and uniform: the results are always chloride of potas
- Starting fluid.
ether²
- /ˈiː.θə/ UK
- /ˈi.θɚ/ US
Rhymes with -iːθə(ɹ)
Where it comes from
From “Ether” (2001), a song by the American hip hop recording artist Nas (born 1973). According to Nas, the song, a diss track aimed at fellow artist Jay-Z (born 1969), was thus named because he was once told that ghosts and spirits do not like the fumes from ether (noun, sense 5), and he viewed the song as affecting Jay-Z in a similar way. The song contains the lines “I fuck with your soul like ether” and “That ether, that shit that make your soul burn slow”.
ether³
- /ˈɛðɚ/
- /ˈɛðə/
- /ˈiː.θə/ UK
- /ˈi.θɚ/ US
Rhymes with -iːθə(ɹ)
verb ethers · ethering · ethered
- Alternative form of edder Ether and Ethers (rhyme to whether)—the operation of running a line of hazle or other flexible wands intertwiningly along the top of a hedge, to keep it more firmly within the hedge-stakes. "Mind you ether it right strong." To "bond" a hedge has the same meaning.
ether⁴
- /ˈiː.θə/ UK
- /ˈi.θɚ/ US
Rhymes with -iːθə(ɹ)
noun ether
- Alternative letter-case form of Ether Gas is not ether–it's a separate virtual currency with its own exchange rate against ether.
Ether⁵
Where it comes from
From Old French ether, from Latin aether (“the upper pure, bright air”), from Ancient Greek αἰθήρ (aithḗr, “upper air”), from αἴθω (aíthō, “to burn, shine”). Doublet of Aether.
proper noun
- The god-personification of the bright, glowing upper air of heaven. He is the Roman counterpart of Aether.
Ether⁶
Where it comes from
From Ethereum.
noun Ether · ether
- A unit of the Ethereum digital currency, ETH. After more than 30 bids, the auction ended at 12:32 p.m. Eastern time, with a winning bid of 350 Ether, or about $560,000.
Ether⁷
proper noun
- The ancient American prophet of Mormon theology who wrote the Book of Ether in the Book of Mormon.
Thesaurus
Closest in meaning: aether, quintessence, ethoxyethane, ethyl ether, divinyl ether, vinyl ether, anesthetic, luminiferous, flask, petrolic, tog, ozonic, octa, oblivion, light, firmament
Translations
Every language
noun substance supposed to fill the upper regions of the atmosphere
| Español | éter |
|---|---|
| 한국어 | 아이테르 aitereu |
| 日本語 | エーテル ēteru |
| 中文 | 以太 yǐtài |
| हिन्दी | ईथर īthar, आकाश ākāś |
| Português | éter |
| Français | éther |
| Deutsch | Äther, Ether |
| Italiano | etere |
| Ελληνικά | αιθέρας aithéras |
| Română | eter |
| Русский | эфи́р efír |
| Tiếng Việt | ê-te |
| العربية | أَثِير ʔaṯīr |
noun substance once thought to fill all unoccupied space
| Español | éter |
|---|---|
| 한국어 | 아이테르 aitereu |
| 日本語 | エーテル ēteru, イーサー īsā |
| 中文 | 以太 yǐtài |
| हिन्दी | ईथर īthar |
| Português | éter |
| Français | éther |
| Deutsch | Äther |
| Italiano | etere |
| Ελληνικά | αιθέρας aithéras |
| Română | eter |
| Русский | эфи́р efír |
noun (organic chemistry) diethyl ether
| 日本語 | エーテル ēteru |
|---|---|
| 中文 | 乙醚 yǐmí |
| हिन्दी | ईथर īthar |
| Português | éter |
| Italiano | etere |
| Ελληνικά | διαιθυλαιθέρας diaithylaithéras |
| Русский | эфи́р efír |
noun (organic chemistry) compound containing an oxygen atom bonded to two hydrocarbon groups
| Español | éter |
|---|---|
| 한국어 | 에터 eteo, 에테르 etereu |
| 日本語 | エーテル ēteru |
| 中文 | 醚 mí |
| Português | éter |
| Français | éther |
| Deutsch | Äther, Ether |
| Italiano | etere |
| Ελληνικά | αιθέρας aithéras |
| Română | eter |
| Русский | эфи́р efír |
| العربية | أَثِير ʔaṯīr |
| עברית | אתר |
name Roman God
| Français | Éther |
|---|
Talk about this word "ether." Wiktionary, via Micwyn, micwyn.com/word/ether. Accessed 6 Nov. 2026. ether. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/ether "ether." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/ether.Cite this
@misc{ether_2026,
title = {ether},
howpublished = {Wiktionary, via Micwyn},
year = {2026},
url = {https://micwyn.com/word/ether},
urldate = {2026-11-06}
}
