The term rag is often used interchangeably with cotton fiber content and harkens to a period of time when paper was actually made using cotton rags which were cleaned and then broken down into fibers which were then used to manufacture paper In a sense it could be stated that the fine paper business has been engaged in recycling materials for production since its very beginning Today paper is no longer made from rags and the term rag is falling in disfavor by the industry in lieu of the phrase cotton fiber content
a week at British universities during which side-shows and processions of floats are organized to raise money for charities
Formerly the principal raw material used in the making process; often meaning cotton rags Rag content describes the amount of cotton fiber relative to the total amount of material used in the pulp "Rag content" is not widely used (or is a misnomer) today as more and more high quality paper is made not from rag but from linters
If you describe something as a red rag to a bull, you mean that it is certain to make a particular person or group very angry. This sort of information is like a red rag to a bull for the tobacco companies. A piece written in ragtime. ragged ragging to laugh at someone or play tricks on them = tease
a boisterous practical joke (especially by college students) a small piece of cloth or paper a week at British universities during which side-shows and processions of floats are organized to raise money for charities break into lumps before sorting; "rag ore"