A meeting, assembly, or gathering of people (for discussion, business, etc.). Often used with verbs like “hold” or “attend.”
会社の会合が午後２時から始まる。
The company's meeting starts at 2:00 PM.
週末に町内会の会合に出席した。
I attended the neighborhood association meeting on the weekend.
重要な会合では発言の順番を守ってください。
Please follow the speaking order at important meetings.
In chemistry, an association — the aggregation or association of molecules/ions into a complex or cluster.
溶液中でイオンの会合が起きて電気伝導率が変化した。
Ion association occurred in the solution and the electrical conductivity changed.
分子間の会合によりナノ粒子が形成されることがある。
Nanoparticles can be formed through molecular association.
In astronomy, a conjunction — when celestial bodies appear close together along the line of sight (e.g., the Moon's conjunction with a planet).
昨夜、月と木星の会合がきれいに見えた。
Last night the conjunction of the Moon and Jupiter was clearly visible.
惑星の会合は観測のチャンスだ。
A planetary conjunction is a good opportunity for observation.