tes·​la | \ ˈte-slə How to pronounce tesla (audio) \

Definition of tesla

 (Entry 1 of 2)

: a unit of magnetic flux density in the meter-kilogram-second system equivalent to one weber per square meter


biographical name
Tes·​la | \ ˈte-slə How to pronounce Tesla (audio) \

Definition of Tesla (Entry 2 of 2)

Nikola 1856–1943 American (Croatian-born) electrical engineer and inventor

Examples of tesla in a Sentence

Recent Examples on the Web: Noun Described in a letter to the journal Nature, the magnet reaches the strength of 45.5 teslas. David Grossman, Popular Mechanics, "This Is the Strongest Superconducting Magnet Ever," 19 June 2019 The field measured out to 1,200 teslas, a unit of magnetic measurement. David Grossman, Popular Mechanics, "Scientists Create Ultra-Powerful Magnetic Field, Immediately Blows Up," 27 Sep. 2018 The team doesn’t intend to stop at 32 teslas, however. Kyree Leary, NBC News, "High-tech magnet smashes record and opens new frontiers in tech," 20 Dec. 2017 The National MagLab has the world’s strongest hybrid magnet which reaches 45 tesla. Gary Fineout, The Seattle Times, "It goes to 11: Florida lab sets new magnet strength record," 22 Aug. 2017 Here are some other happenings this weekend: ALL WEEKEND ‘TESLA: Staff Report, Orange County Register, "15 things to do in Orange County this weekend (May 26-28)," 25 May 2017 Tesla records also show that 75 percent of the ambulance trips were unrelated to work injuries, for example, an illness or another pre-existing condition. Louis Hansen, The Mercury News, "Tesla employees raise concerns as production set to jump," 18 May 2017 Final adjusted numbers for my tesla power roof estimate. Louis Hansen, The Mercury News, "Tesla opens orders for solar roofs," 10 May 2017 Tesla estimates that fill-ups for a trip from California to New York would cost around $120. Marco Della Cava, USA TODAY, "Tesla to amp up number of charging stations in anticipation of Model 3 rollout," 24 Apr. 2017

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

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First Known Use of tesla


1958, in the meaning defined above

History and Etymology for tesla


Nikola Tesla

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Time Traveler for tesla

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The first known use of tesla was in 1958

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Cite this Entry

“Tesla.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/tesla. Accessed 19 Sep. 2020.

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More Definitions for tesla


tes·​la | \ ˈtes-lə How to pronounce tesla (audio) \

Medical Definition of tesla

: a unit of magnetic flux density in the mks system equivalent to one weber per square meter

More from Merriam-Webster on tesla

Britannica.com: Encyclopedia article about tesla

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