noun. ['daɪˈdʒɛstɪv'] any substance that promotes digestion.
1. Adjective The foods go into the digestive tract and are quickly wicked away into the bloodstream. 2. Noun, singular or mass Lack of water can also cause blood in the stool because water contributes to a healthy digestive system.
1. The human digestive tract is like the Amtrak line from Seattle to Los Angeles: transit time is about thirty hours, and the scenery on the last leg is pretty monotonous. - Mary Roach, Gulp: Adventures on the Alimentary Canal
