What does 媒介 mean?
媒介 is a Japanese noun meaning “intermediary” in English. It can also be translated as “carrying (germs, diseases, etc.), mediation (in Hegelianism)” depending on context. It is written as 媒介 in kanji, ばいかい in hiragana, and baikai in romaji. This word is part of JLPT N1 vocabulary.
Example sentence
マラリアは蚊が媒介する。
Malaria is carried by mosquitoes.