ion engine

noun

Definition of ion engine

: a reaction engine deriving thrust from the ejection of a stream of ionized particles

Examples of ion engine in a Sentence

Recent Examples on the Web The solar arrays are expected to power the spacecraft and the agency’s Evolutionary Xenon Thruster, a commercial ion engine being tested on the mission. Eric Killelea, San Antonio Express-News, 26 Nov. 2021 But to really make the most of the ion engine, the craft needs onboard automatous navigation. Smithsonian Magazine, 8 Jan. 2020 After tests and checkout, each satellite's low-power ion engine will be used to raise its orbit to an operational altitude of about 342 miles. William Harwood, CBS News, 4 June 2020 When they are launched – using the company's own reusable Falcon 9 rockets – they are placed into orbit above Earth's surface and then use their onboard ion engines to raise altitude up to an operational orbit, which can take several months. Luann Gibbs, Cincinnati.com, 27 Apr. 2020 Better yet, the power needed to run the ion engine can come from solar panels — no heavy onboard fuel tanks or generators required. Corey S. Powell, Discover Magazine, 13 Mar. 2019 Launched in 2007 with an ion engine, Dawn is nearing the end of its extended mission. Marcia Dunn, OrlandoSentinel.com, 3 July 2018 Launched in 2007 with an ion engine, Dawn is nearing the end of its extended mission. Marcia Dunn, OrlandoSentinel.com, 3 July 2018 Launched in 2007 with an ion engine, Dawn is nearing the end of its extended mission. Marcia Dunn, OrlandoSentinel.com, 3 July 2018 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'ion engine.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of ion engine

1958, in the meaning defined above

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Time Traveler for ion engine

Time Traveler

The first known use of ion engine was in 1958

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Dictionary Entries Near ion engine

ion channel

ion engine

Ionesco

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Cite this Entry

“Ion engine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ion%20engine. Accessed 21 May. 2022.

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More from Merriam-Webster on ion engine

Britannica.com: Encyclopedia article about ion engine

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