Word family noun rough the rough roughage roughness adjective rough verb rough roughen adverb rough roughly
From Longman Dictionary of Contemporary Englishroughagerough‧age /ˈrʌfɪdʒ/ noun [uncountable] DFNa substance contained in some vegetables, fruits, and grains that helps your bowels to work SYN fibreExamples from the Corpus
roughage• For those individuals committed to a daily roughage allotment, the Manchester cobb salad is a more-than-satisfactory dish.• Also there is a high probability that your holiday meals were lower in roughage than your own regime at home.• It can also produce a good carcass when the diet is mainly roughage.• In health, constipation is rare, being a reflection in many human cases of a lack of roughage in the diet.• The food conversion rate on roughage or forage is good.• Some live foods, particularly crustacea, also provide roughage to aid digestion and contribute less detrital matter than non-live foods.• There is some roughage on the bone that causes swelling and pain. 