ether

noun

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\ ˈē-thər

Definition of ether

1a : the rarefied element formerly believed to fill the upper regions of space

b : the upper regions of space : heavens

2a : 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

3a or less commonly aether \ ˈē-thər

\ : a medium that in the wave theory of light permeates all space and transmits transverse waves

b : airwaves

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Examples of ether in a Sentence

The balloon disappeared into the ether.

Recent Examples on the Web The collapse also shaved approximately $350 billion from the total crypto market capitalization and saw the price of bitcoin and ether temporarily fall under the psychologically important $30,000 and $2,000 price levels respectively. — Steven Ehrlich, Forbes, 18 May 2022 Well, Twitter users do, and many of them are bringing up the viral Crypto.com ad, while prices for cryptocurrency like bitcoin and ether are slumping, and crypto exchange platforms like Coinbase are losing billions in market cap. — James Freeman, WSJ, 18 May 2022 Two of the most sturdy tokens in the cryptocurrency world fell below their benchmark this week and that fueled a digital currency selloff Thursday, leading to price drops in bitcoin, ether and solana. — Khristopher J. Brooks, CBS News, 13 May 2022 The highest current bid is for 0.0743 ether—about $210. — Paul Vigna, WSJ, 3 May 2022 There were so many unknowns swirling around in the ether when Disney finalized its $71 billion takeover of 21st Century Fox three years ago. — Cynthia Littleton, Variety, 28 Apr. 2022 In the end, the culprit took home 24,830 in ether and 36 million BEAN tokens. — Khristopher J. Brooks, CBS News, 25 Apr. 2022 While the ethereum blockchain itself was not hacked, some $50 million in ether was stolen. — Thalia Beaty, The Christian Science Monitor, 21 Apr. 2022 On April 5, Estavi put the NFT up for auction for 14,969 ether, or about $50 million. — Jeff Kauflin, Forbes, 14 Apr. 2022 See More

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.