Research, Investigation, Study
noun, verbal noun
When you sharpen research you're just doing a study or investigation. Or in other words, you're doing research!
けんきゅう
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.
これは、心理学の研究です。
This is psychology research.
研究によると、お茶は人を元気にします。
According to research, tea makes people healthy.
今回の研究では答えが出ませんでした。
There was no answer in this investigation.