noun
matter; affair; issue; situation
Refers to a topic, problem, or situation under consideration, often in business or formal contexts. Used similarly to English 'matter'.
そのマターは次の会議で話し合いましょう。
Let's discuss that matter at the next meeting.
noun
Physical substance or material, as in scientific or technical contexts. Less common than the abstract sense.
この実験では、マターの状態変化を観察します。
In this experiment, we observe changes in the state of matter.