roughage
Noun
Meaning
coarse, indigestible plant food low in nutrients; its bulk stimulates intestinal peristalsis
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Examples
I think of reading like a balanced diet; if your sentences are too baggy, too baroque, cut back on fatty Foster Wallace, say, and pick up Kafka as roughage.
A bit of trash now and then is good for the severest reader. It provides the necessary roughage in the literary diet.
Everywhere you look - Britain, the States, western Europe - people are sealing themselves into crime-free enclaves. That's a mistake - a certain level of crime is part of the necessary roughage of life. Total security is a disease of deprivation.
It is valued as a good roughage source for ruminants such as cattle. citation Laundry starch Manioc is also used in a number of commercially available laundry products, especially as starch for shirts and other garments.
While those that feed on concentrates feed and digest in short intervals, the roughage feeders take longer intervals.