Dictionary/発泡はっぽうHappou発泡 (Happou) is a Japanese noun meaning “foaming”.Meaningsnoun, suru verb, intransitive verb, adjectival nounfoamingKanji in 発泡発departure泡bubblesRelated words発見discovery開発development発表announcement爆発explosion発生occurrence発departure出発departure発言statement一発one shot告発indictment発売sale発展development