催生素 Traditional form: 催生素 Pinyin (reading): cuīshēngsù Definitions: oxytocin Characters: 催 - to press, to urge 生 - life, lifetime; birth; growth 素 - plain; white; vegetarian; formerly; normally Traditional characters: 催 - to press, to urge 生 - life, lifetime; birth; growth 素 - plain; white; vegetarian; formerly; normally