原生生物 げんせいせいぶつ Meanings Noun protist; protistan Kanji 原 original. Read as ゲン. 生 life. Read as セイ. 物 thing. Read as ブツ. Words containing 原生生物 原生生物界 (げんせいせいぶつかい) Protista (protist kingdom) Word lists Biology Jinuma: Japanese Dictionary · Word lists