also: ニュークレア · ヌークリア · ヌークレア
noun-modifying (irregular)
nuclear
Used prenominally as a loanword modifier, similar to English 'nuclear', in contexts like nuclear power, nuclear weapons, or nuclear physics. Often part of compound terms such as ニュークリア・ファミリー (nuclear family) or ニュークリア・エネルギー (nuclear energy).
ニュークリア・エネルギーは賛否両論がある。
Nuclear energy has both supporters and opponents.
その国はニュークリア兵器の開発を進めている。
That country is advancing the development of nuclear weapons.
Means 'atomic power' and is the standard term for nuclear energy in Japanese. ニュークリア is less common for energy contexts and may sound more like a direct English borrowing.
Loanword from English 'nuclear', transcribed into katakana. The variant spellings reflect different attempts to capture the English pronunciation.