辩论 (biàn lùn) means 'debate' — a formal, structured exchange of opposing views on a specific topic. The first character 辩 (biàn) means 'to argue' or 'to refute', emphasizing reasoning and counter-argument; the second character 论 (lùn) means 'to discuss' or 'to discourse', highlighting analysis and exposition. Together, they convey a collaborative yet competitive intellectual activity where participants present evidence, logic, and rebuttals.

This word is commonly used in academic, educational, and public speaking contexts — such as school debate clubs, university competitions, or televised political discussions. While it can function as a noun ('a debate'), it also serves as a verb meaning 'to debate' (e.g., 我们要辩论这个议题). It carries a neutral-to-formal register and implies seriousness, preparation, and respect for opposing perspectives — unlike casual arguing (吵架), which is emotionally charged and unstructured.