What does 核実験 mean?
核実験 is a Japanese noun meaning “nuclear test” in English. It is written as 核実験 in kanji, かくじっけん in hiragana, and kakujikken in romaji. This word is part of JLPT N3 vocabulary.
Example sentence
私は核実験に反対だと喜んで公式に言明する。
I am willing to go on record as opposing nuclear tests.