火界咒 かかいじゅ Meanings Noun mantra of the fire realm (in esoteric Buddhism; used to burn away worldly desires and spiritual obstacles); mantra of Acala See also: 密教 (みっきょう). See also: 不動明王 (ふどうみょうおう). Kanji 火 fire. Read as カ. 界 realm. Read as カイ. 咒 spell; curse; malediction. Read as ジュ. Word lists Buddhism Jinuma: Japanese Dictionary · Word lists