Noun and の adjective
どうじ
先生が教室に入ってきたと同時に、しぎょうのチャイムがなりました。
At the same time teacher came in the classroom, the bell rang.
でん子レンジとトースターを同時につかったから、ブレーカーがおちちゃったんだ。
I was using the microwave and the toaster at the same time, and the circuit breaker tripped.
「今日はよくできましたね。それではまた来週同じ時間に。」と、コスプレのプロとアニメオタクが同時に言った。
"Good lesson today. I’ll see you this time next week," the professional cosplayer and the anime nerd said at the same time.
The same time? Okay, let's say what we think this word means at the same time. Whoops, I just said it, sorry.
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.