起爆剤 きばくざい Meanings Noun detonator; priming; primer trigger; impetus; spark Kanji 起 rise. Read as キ. 爆 explode. Read as バク. 剤 agent. Read as ザイ. Example sentences 経済は緊急に起爆剤を必要としています。The economy is in dire need of a jump-start. Common phrases 起爆剤になる Jinuma: Japanese Dictionary · Word lists