Investigation
noun, verbal noun
Research is the process of brightening a subject area, akin to conducting an investigation that illuminates the unknown. This is a word often found in academic and scientific contexts, encompassing the act of conducting a thorough investigation or ascertaining facts.
きゅうめい
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.
自分の欠点を究明しました。
I investigated my shortcomings.
本当のことを究明したいんです。
I want to bring the truth to light.
アルミ電池の弱点を究明した。
I investigated the weaknesses of aluminum batteries.