Grooves or channels cut or extruded in the surface of grating, usually parallel to the length, for the purpose of providing slip resistance.
1.) One of a group of usually parallel scratches engraved in bedrock by a glacier or other geological agent. 2.) Tiny, parallel lines seen on some crystal faces.
any of a number of tiny parallel grooves such as: the scratches left by a glacier on rocks or the streaks or ridges in muscle tissue
a scratch or small groove caused by movement along a fault.
The long parallel scrapes and scratches on rocks made by glaciers.
(stri-a´-tion) One of multiple scratches or minute lines, generally parallel, inscribed on a rock surface by a geological agent, e.g. glaciers, streams, or faulting.
small (mm sized) scatches on bedrock and stones made by glacial scouring, often accompanied by grooves, polish, and fracture marks. Indicators of ice movement direction.
A fine streaky pattern of parallel lines, usually in the cross direction of the web travel.
Parallel scratch, groove, or line.