2 syllables: eth, ers. Stress on eth.
EE-thurz
/ˈiθɚz/
ethers is pronounced EE-thurz (/ˈiθɚz/). It has two syllables (eth-ers), with the stress on "eth". Ethers is the plural of ether, referring to volatile, highly flammable liquids used as solvents or anesthetics, and by extension the hypothetical or physical ethers in chemistry. In common usage, it can denote a class of chemical compounds containing an ethereal oxygen linkage. The term also appears in contexts like computing or science fiction, but the primary meaning remains chemical. (2-4 sentences, 50-80 words).
Ethers is the plural of ether, referring to volatile, highly flammable liquids used as solvents or anesthetics, and by extension the hypothetical or physical ethers in chemistry. In common usage, it can denote a class of chemical compounds containing an ethereal oxygen linkage. The term also appears in contexts like computing or science fiction, but the primary meaning remains chemical. (2-4 sentences, 50-80 words)
"The lab switched from diethyl ether to a safer substitute."
"In chemistry, ethers are characterized by an oxygen atom bonded to two alkyl groups."
"The ether layer separated from the water during the extraction process."
You say it as /ˈiːðərz/ in US English and /ˈiːðəz/ in many UK contexts. The first syllable has a stressed long E: “EE-therz.” The /ð/ is the voiced dental fricative as in then, and the final /z/ is a buzzing voice. Keep the /ɜː/ or /ər/ quality depending on accent, but the /ðər/ sequence should be smooth and unaspirated. If you’re listening to audio, expect slight non-rhoticity in UK accents, where the final /z/ may sound a touch softer. Practice with the phrase “ether layer” to lock in the consonant sequence.”,
Common errors include replacing /ð/ with /d/ (e.g., /ˈiːdərz/) and mispronouncing the final /z/ as /s/ in plural contexts. Some learners also reduce the second syllable too much, producing /ˈiːθər/ or /ˈiːðɚ/. To correct: ensure the mouth places the tongue between the teeth for /ð/ with voicing, and finish with a clear, voiced /z/. Keep vowel length consistent in the first syllable and avoid unnecessary vowel reduction in fluent speech.
In US English, you typically hear /ˈiːðərz/ with a rhotic final /ɹ/ followed by /z/. In UK English, you may hear /ˈiːðəz/ with a more centralized vowel and a non-rhotic influence, so the /r/ is less pronounced in some dialects. Australian pronunciation tends toward /ˈiːðəz/ with a clear /ɜː/ or /ə/ vowel and a light rhotic approximation depending on speaker. The key differences are rhoticity and subtle vowel quality in the second syllable, plus occasional vowel shortening in rapid speech.
The difficulty centers on the voiced dental fricative /ð/ in a plural word and the tricky transition from /ð/ to a voiced sibilant /z/ in rapid speech. The tongue must touch the upper teeth lightly and maintain voicing through the fricative, then glide into /z/ without overshooting. Additionally, the long E in the first syllable is often blended with a relaxed or slightly reduced second vowel in fast speech, which can blur syllable boundaries. Mastery requires precise tongue placement and sustained voicing through /ð/ and /z/.
The combination of a long first vowel /iː/ with a soft dental fricative /ð/ followed by a voiced sibilant /z/ creates a rapid, three-consonant sequence that can trip up non-native speakers. The word also exemplifies how pluralization affects stress and the final consonant’s voicing, requiring attention to voicing contrast in final clusters. Paying close attention to mouth position and voicing ensures clear, natural production across accents.
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Ether comes from Old French ether, from Latin aether, from Greek aither, meaning ‘upper air, the clear sky above us.’ The root aither traces further to Proto-Indo-European *haé ht- meaning ‘to burn’ or ‘to shine,’ reflecting ancient notions of a heavenly or luminous atmosphere. The chemical sense emerged in the 19th century as scientists named the class of compounds containing an oxygen atom connected to two carbon groups as “ethers,” echoing the idea of a shared, bridging oxygen between two alkyls. The term diethyl ether, one of the most famous ethers, became widely used as a solvent and anesthetic in the 1800s; its pharmacological prominence helped cement the broader usage of “ether” as both a specific chemical and a generic solvent class. Modern chemistry retains “ether” for the family (R–O–R′) and uses precise prefixes to distinguish variants (e.g., methyl tert-butyl ether, MTBE). The general word “ether” also appears in physics (the luminiferous ether in historical physics) and in computing as a metaphorical space, but the dominant contemporary sense remains a chemical compound or class of solvents. (200-300 words)
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Words that rhyme with "ethers"
-ers sounds
-her sounds
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