nuclear fusion

noun

physics

: a process in which the nuclei of atoms are joined

Examples of nuclear fusion in a Sentence

Recent Examples on the Web

This halts the nuclear fusion process — which involves converting that hydrogen to helium — leading to the stars collapsing and shedding their outer layers to become a white dwarf with around the mass of the sun crammed into the width of Earth. — Robert Lea, Space.com, 16 Sep. 2026

Deep in a star’s core, nuclear fusion pumps out heat and light, which slowly filters up to the star’s surface. — Quanta Magazine, 14 Sep. 2026

The hardware will support the testing programme for the company’s Texatron Fusion Engine, which explores an alternative path to nuclear fusion. — Aman Tripathi, Interesting Engineering, 30 Aug. 2026

As part of its nuclear fusion processes, the Sun produces a particularly interesting isotope of helium, known as helium-3. — Eric Berger, ArsTechnica, 26 Aug. 2026

Rhymes for nuclear fusion

• disillusion
• malocclusion
• reperfusion
• allusion
• collusion
• conclusion
• confusion
• contusion
• delusion
• diffusion
• effusion
• exclusion

Medical Definition

nuclear fusion

noun

: fusion sense 3