1. Fusion Reactor: This is the more likely interpretation. It refers to a device that attempts to harness energy from nuclear fusion reactions. These reactions involve combining light atomic nuclei (like hydrogen isotopes) to form heavier nuclei, releasing a tremendous amount of energy in the process.
2. Cell Containing Fusion Products: This is a less common interpretation. It could refer to a biological cell that has been exposed to or intentionally produced by nuclear fusion.
To understand what you mean by "fusion cell", please provide more context. For example, tell me:
* Where did you encounter this term? (a book, a lecture, a website)
* What was the context? (what was being discussed?)
* What other terms were used alongside "fusion cell"?
With more information, I can help you understand the meaning of "fusion cell" more accurately.