Definition of ether
1a : the rarefied element formerly believed to fill the upper regions of spaceb : the upper regions of space : heavens
2a or less commonly aether \ˈē-thər\ : a medium that in the wave theory of light permeates all space and transmits transverse wavesb : airwaves
3a : a light volatile flammable liquid C4H10O used chiefly as a solvent and especially formerly as an anestheticb : any of a class of organic compounds characterized by an oxygen atom attached to two carbon atoms
From the M-W Editors
Examples of ether in a Sentence
The balloon disappeared into the ether.
Recent Examples of ether from the Web
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Monetas was soon joined by other cryptocurrency startups, which now number around 20, including Ethereum, minter of a bitcoin rival currency called ether.
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With regards to making this record, there are just so many things that are floating around all of us in the ether.
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But instead of disappearing into the ether, vinyl has been making a comeback.
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This widespread selloff in crypto-currencies comes on the heels of last week's massive flash crash in ether.
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Its future drone distribution network could also skip congested neighborhoods altogether — and take to the ether.
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Sure, there are moments of floating-into-the-ether keys, but its rhythmic interlocking is the star, driving a hard beat with ace guitar work and unhinged solos.
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Domestic politics have been reduced to an addled old man issuing poison missives into the cyber ether while the rest of us scramble around to divine their meaning.
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Ethereum is a public platform that uses a digital currency called ether.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'ether.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Origin and Etymology of ether
Middle English, from Latin aether, from Greek aithēr, from aithein to ignite, blaze; akin to Old English ād pyre — more at edify
ETHER Defined for English Language Learners
ether
playDefinition of ether for English Language Learners
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: a liquid that burns easily, that is used to turn solid substances into liquid, and that was used in medicine in the past to prevent patients from feeling pain during operations
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the ether : the air : the sky
ETHER Defined for Kids
ether
playDefinition of ether for Students
: a light flammable liquid used to dissolve fats and especially in the past as an anesthetic
Medical Dictionary
ether
playMedical Definition of ether
1: a medium that in the wave theory of light permeates all space and transmits transverse waves
2a: a light volatile flammable liquid C4H10O used especially formerly chiefly as an anesthetic—called also diethyl ether, ethyl ether, ethyl oxideb: any of various organic compounds characterized by an oxygen atom attached to two carbon atoms
Learn More about ether
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Spanish Central: Translation of ether Nglish: Translation of ether for Spanish speakers Britannica English: Translation of ether for Arabic speakers Britannica.com: Encyclopedia article about ether
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