大気 たいき圏 けん内核 ないかく実験 じっけんだった taikikennai kakujikkendatta Written Form Kana Romaji IPA Pronunciation English Pronunciation Open Menu Search Add to collection Add to collection... Entry Info... Help Help Meanings Pronunciation Comments Noun , Da Copula The past form of 大気圏内核実験 1. Was an atmospheric nuclear test. Past/Perfective Word Pronunciation Help 文 文 DefaultA Romaji[ə] IPAŔ Englishあ Hiraganaア Katakana No variants available for this word. Sign in or join to leave a comment. No discussion yet. Share what you know about this word. Delete Comment ✕ Are you sure you want to delete this comment? This action cannot be undone. Cancel Delete