ether
/ˈi.θɚ/noun, verb
ether is spelled E-T-H-E-R: 5 letters and 2 syllables. It appears 2.5 times per million words in written English, the 17,122nd most frequent word form (wordfreq, 2021 data). People search “aether vs ether” about 720 times a month (Google, United States). As a noun, ether means “The medium breathed by human beings; the air” (English Wiktionary, September 2026). The plural of ether is ethers.
How many letters and syllables are in ether?
| Letters | 5: E-T-H-E-R |
|---|---|
| Syllables | 2 (from its American pronunciation) |
| In writing | 2.5 times per million words; the 17,122nd most frequent word form |
| Wrong spellings searched | none measured in search |
| Pairs people search | |
| Rhymes with | |
| Same letters |
Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation and the CMU Pronouncing Dictionary; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media); Bing searches in the United States: the average month from September 2025 to August 2026 (Microsoft Advertising keyword data through DataForSEO, read September 30, 2026); rhymes and same-letter words are computed by PlainSpell from its own word list.
How common is ether?
Ether appears 2.5 times per million words in written English, the 17,122nd most frequent word form in the list.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
How do you pronounce ether?
- UK /ˈiː.θə/
- US /ˈi.θɚ/
As a verb (“Alternative form of edder”): /ˈɛðɚ/, /ˈɛðə/, /ˈiː.θə/.
Ether has 2 syllables (counted from its American pronunciation in the CMU Pronouncing Dictionary).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: En-us-ether.ogg, En-au-ether.ogg, LL-Q1860_(eng)-Tesco250-ether.wav, Wikimedia Commons (author and licence on each file's page).
Words people confuse with ether
Word pairs people search, with the monthly searches for “a vs b” (G: Google, B: Bing, United States).
Also written: aether.
Sources: Google and Bing searches (September 2025 to August 2026, through DataForSEO); English Wiktionary (homophones, alternative spellings).
What rhymes with ether?
One word on PlainSpell end in the same sounds as ether from its last stressed vowel (/iθəɹ/):
Spelled with the same letters in another order: there, three, heter.
Computed by PlainSpell from the pronunciations in the English Wiktionary (dump of September 2, 2026): a rhyme shares every sound from the last stressed vowel to the end; ordered by written frequency (wordfreq 3.1).
Forms of ether
- ethers plural, present, singular, he/she/it
- ethering participle, present
- ethered participle, past
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does ether mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
The medium breathed by human beings; the air.
- 2
The sky, the heavens; the void, nothingness.
- 3
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.
- 4
colloquialThe 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.
- 5
colloquialA particular quality created by or surrounding an object, person, or place; an atmosphere, an aura.
- 6
Diethyl ether (C₄H₁₀O), an organic compound with a sweet odour used in the past as an anaesthetic.
- 7
Any of a class of organic compounds containing an oxygen atom bonded to two hydrocarbon groups.
- 8
Starting fluid.
- 9
Alternative letter-case form of Ether.
verb
- 1
slangTo viciously humiliate or insult.
The battle rapper ethered his opponent and caused him to slink away in shame.
- 2
UKAlternative form of edder.
In the edition of 1760 of "The Complete Angler" there is a curious quotation from Bowlker, who was a great authority on fish-ponds, in which he recommends:– "When you intend to stick a pool with carp or tench, make a close ethering hedge ac
noun
- 1
A unit of the Ethereum digital currency, ETH.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Ether in Spanish, French, German and Portuguese
In the sense substance supposed to fill the upper regions of the atmosphere:
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Translations are Wiktionary's, by sense; a linked word has its own PlainSpell page.