plasma torch

noun

: a device that heats a gas by electrical means to form a plasma for high-temperature operations (such as melting metal)

Examples of plasma torch in a Sentence

Recent Examples on the Web
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By using a plasma torch fueled entirely by hydrogen, the system prevents carbon soot formation, allowing for stable and continuous operation. Aman Tripathi, Interesting Engineering, 3 Sep. 2025 Rival company Petra also aims to bore through tough rock using the power of heat, though with a thermal cutting device that uses a superheated fluid rather than with a plasma torch. Wired, 13 Aug. 2022 The trash is heated to break it into crude, impure syngas, which is then zapped with plasma torches to further refine it. IEEE Spectrum, 22 Nov. 2011

Word History

First Known Use

1959, in the meaning defined above

Time Traveler
The first known use of plasma torch was in 1959

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Cite this Entry

“Plasma torch.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/plasma%20torch. Accessed 9 Sep. 2025.

Last Updated: - Updated example sentences
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