fusion reactor

American  

noun

1. Physics. a reactor for producing atomic energy by nuclear fusion.

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fusion reactor British  

noun

1. a nuclear reactor in which a thermonuclear fusion reaction takes place

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Example Sentences

The technical challenges, including how to convert the energy produced by a fusion reactor into electricity, remain daunting.

From Los Angeles Times • Mar. 3, 2026

TAE says that after more than 25 years of research and development, it has significantly reduced fusion reactor size, cost and complexity.

From The Wall Street Journal • Dec. 18, 2025

While Prof Lowe supports the development of fusion technology, he just argues that a working fusion reactor won't come fast enough to help bring down CO2 emissions and tackle climate change.

From BBC • Sep. 9, 2024

PPPL's Head of Digital Engineering, Michael Churchill, uses machine learning to improve the design of another type of fusion reactor, a stellarator.

From Science Daily • May 14, 2024

The green light on the fusion reactor blinked steadily.

From "Klawde: Evil Alien Warlord Cat" by Johnny Marciano and Emily Chenoweth