tokamak

noun

to·​ka·​mak ˈtō-kə-ˌmak How to pronounce tokamak (audio) ˈtä- How to pronounce tokamak (audio)
variants or less commonly tokomak
: a toroidal device for producing controlled nuclear fusion that involves the confining and heating of a gaseous plasma by means of an electric current and magnetic field

Examples of tokamak in a Sentence

Recent Examples on the Web The question is if the same trick will work outside of DIII-D tokamak in San Diego. Jacek Krywko, Ars Technica, 3 May 2024 In November 2022, officials announced that defects had been found in two components of ITER’s tokamak. Rob Nikolewski, San Diego Union-Tribune, 24 May 2024 Within the tokamak, the magnets confine plasmas — a state of matter with large quantities of ionized particles — at 10 times the temperature of the sun. Rob Nikolewski, San Diego Union-Tribune, 24 May 2024 Earlier this year, the Korea Institute of Fusion Energy installed a tungsten diverter in its KSTAR tokamak, replacing the device’s carbon diverter. Isaac Schultz / Gizmodo, Quartz, 6 May 2024 See all Example Sentences for tokamak 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'tokamak.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

Russian, from toroidal'naya kamera s aksial'nym magnitnym polem (toroidal chamber with an axial magnetic field)

First Known Use

1965, in the meaning defined above

Time Traveler
The first known use of tokamak was in 1965

Dictionary Entries Near tokamak

Cite this Entry

“Tokamak.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/tokamak. Accessed 4 Jul. 2024.

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