睾丸素 Traditional form: 睾丸素 Pinyin (reading): gāowánsù Definitions: testosterone Characters: 睾 - testicle 丸 - ball, pebble, pellet, pill 素 - plain; white; vegetarian; formerly; normally Traditional characters: 睾 - testicle 丸 - ball, pebble, pellet, pill 素 - plain; white; vegetarian; formerly; normally