roughage
/ˈrʌfɪdʒ/
noun
- The fibrous, indigestible part of plant food that helps digestion; dietary fiber.
- Bran cereal is a good source of roughage.
- Eating plenty of roughage, like vegetables and whole grains, keeps your digestive system healthy.
- Doctors recommend adding more roughage to your diet to prevent constipation.
Synonyms