Examination, Test, Experiment
noun, verbal noun
If you attempt a test, you're taking an examination. There are a lot of these in Japan, so make sure you know this word if you want to fit in with all the whining and whinging that students do, especially come the final year of high school.
しけん
This is a jukugo word that uses the on'yomi readings of the kanji. You should be able to read this on your own.
あれ、JLPT試験、明日だっけ？今、思い出した。
Oh, is the JLPT exam tomorrow? I just remembered.
「ところで、試験はどうだった？」「パパ、しずかにして。」
"By the way, how was the exam?" "Dad, be quiet."
多くの人が使う前に、たくさん試験をすることが安全にとって重要です。
It's important for safety to do a lot of tests before many people use it.