Definitions for "Groundwood"
Low cost papers such as newsprint made by the mechanical pulping process as opposed to chemical pulping and refining.
Pulp made by mechanically grinding wood to separate the cellulose fibers. Groundwood pulp is used in less expensive papers, such as newsprint, where less strength and brightness are required and lower cost is important.
mechanical wood pulp (stone groundwood, refined mechanical pulp, thermomechanical pulp), having a yield of over 90% and thus containing a great deal of lignin. By extension the term sometimes refers to chemi-mechanical and semi-chemi-mechanical pulp, which have yields of 50-90