mass driver

noun

: a large electromagnetic catapult designed to hurl material (as from an asteroid) into space

Examples of mass driver in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
There are recent developments in the People's Republic of China (PRC) that view mass drivers and related technologies as central to lunar industrialization and long-term space development. Leonard David, Space.com, 28 May 2026 So expect some commentary from me in the coming weeks about the feasibility of lunar mass drivers, putting hundreds of GW worth of data centers in orbit, colonizing Mars and more. Alex Knapp, Forbes.com, 22 May 2026 Musk’s latest vision involves overcoming Earth’s energy constraints by building electromagnetic mass drivers on the moon to facilitate this massive-scale AI infrastructure. Mrigakshi Dixit, Interesting Engineering, 23 Mar. 2026 Musk is thinking about building a mass driver, which is essentially a coilgun for launching payloads instead of deadly projectiles. Frank Landymore, Futurism, 11 Feb. 2026 Another option is commonly called a mass driver. Korey Haynes, Discover Magazine, 19 Nov. 2018

Word History

First Known Use

1975, in the meaning defined above

Time Traveler
The first known use of mass driver was in 1975

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Cite this Entry

“Mass driver.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mass%20driver. Accessed 4 Jun. 2026.

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