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-tron

noun suffix

1
: vacuum tube
magnetron
2
: device for the manipulation of subatomic particles
cyclotron

Word History

Etymology

Greek, suffix denoting an instrument; akin to Old English -thor, suffix denoting an instrument, Latin -trum

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Cite this Entry

“-tron.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/-tron. Accessed 1 Dec. 2025.

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