防空識別圏 ぼうくうしきべつけん Meanings Noun air defense identification zone; ADIZ Kanji 防 defend. Read as ボウ. 空 sky. Read as クウ. 識 discern. Read as シキ. 別 separate. Read as ベツ. 圏 sphere. Read as ケン. Word lists Military Jinuma: Japanese Dictionary · Word lists