1
a
: the rarefied element formerly believed to fill the upper regions of space
b
: the upper regions of space : heavens
2
a
: a light volatile flammable liquid C4H10O used chiefly as a solvent and especially formerly as an anesthetic
b
: any of a class of organic compounds characterized by an oxygen atom attached to two carbon atoms
Examples of ether in a Sentence
The balloon disappeared into the ether.
Recent Examples on the Web
The bottom line: The downside of an efficient system like this is when someone borrows against an asset that can lose 20% of its value in six hours, as ether (ETH) did as Sunday turned to Monday.
—
Brady Dale, Axios, 6 Aug. 2024
Answer: Ian lights one of Brianna’s matches as Claire’s ether is filling the house, while Wendigo Donner and his allies have invaded the house and broken the ether jar— any of these characters are something of a correct answer.
—Maureen Lee Lenker, EW.com, 23 July 2024
The latest: The launch of ether ETFs — enabling Wall Street types who need regulated products to bet on Vitalik's baby.
—Brady Dale, Axios, 30 July 2024
Spot ether ETFs could hit the market as soon as this week, pending U.S. Securities and Exchange Commission approval, and Bitwise Asset Management’s Matthew Hougan plans to get in on the action.
—Ellie Stevens, CNBC, 10 July 2024
See all Example Sentences for ether 
Brady Dale, Axios, 6 Aug. 2024
Answer: Ian lights one of Brianna’s matches as Claire’s ether is filling the house, while Wendigo Donner and his allies have invaded the house and broken the ether jar— any of these characters are something of a correct answer.
—Maureen Lee Lenker, EW.com, 23 July 2024
The latest: The launch of ether ETFs — enabling Wall Street types who need regulated products to bet on Vitalik's baby.
—Brady Dale, Axios, 30 July 2024
Spot ether ETFs could hit the market as soon as this week, pending U.S. Securities and Exchange Commission approval, and Bitwise Asset Management’s Matthew Hougan plans to get in on the action.
—Ellie Stevens, CNBC, 10 July 2024
See all Example Sentences for ether
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'ether.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
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Cite this Entry
“Ether.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ether. Accessed 19 Aug. 2024.
Copy CitationKids Definition
Medical Definition
ether
noun1
: a medium that in the wave theory of light permeates all space and transmits transverse waves
2
a
: a light volatile flammable liquid C4H10O used especially formerly chiefly as an anesthetic
called also diethyl ether, ethyl ether, ethyl oxide
b
: any of various organic compounds characterized by an oxygen atom attached to two carbon atoms
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