striation

The state of being striated or having striae.

One of a number of parallel lines or scratches on the surface of a rock that were inscribed by rock fragments embedded in the base of a glacier as it moved across the rock.

The form taken by striae.

A stria.

The state of being striated; a striate condition or appearance; striature; also, one of a set of striæ; a stria.

In geology, grooves, flutings, and scratches made on the surfaces of rocks by the passage over them of bodies of ice: a result frequently observed along the sides of existing glaciers, and in regions which were formerly occupied by ice.

In mineralogy, fine parallel lines on a crystalline face, commonly due to the oscillatory combination of two crystalline forms.

The quality or condition of being striated.

A stria.

(mineralogy) One of a number of parallel grooves and ridges in a rock or rocky deposit, formed by repeated twinning or cleaving of crystals.