1.
question-and-answer session; Q&A
A formal exchange of questions and answers, typically following a presentation, lecture, or meeting. A four-character compound combining 質疑 (questioning) and 応答 (response).
Usage
質疑応答 is used in formal or semi-formal contexts such as presentations, conferences, parliamentary sessions, and press conferences. It is a yojijukugo combining 質疑 (questioning/inquiry) and 応答 (response).
Common collocations
Similar words
質問 is the everyday word for a question. 質疑応答 specifically refers to the structured back-and-forth format, not a single question.