Striation

n.	1.	The quality or condition of being striated.
	2.	A stria; as, the striations on a shell.

Noun	1.	striation - 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 Synonyms: stria
	2.	striation - a stripe of contrasting color; "chromosomes exhibit characteristic bands" Synonyms: stria, band

band, bar, belt, bezel, chamfer, chase, chink, corrugation, crack, cranny, craze, cross-hatching, cut, dado, dash, delineation, diagonal, dotted line, engraving, flute, fluting, furrow, gash, gouge, groove, hachure, hairline, hatching, incision, line, lineation, list, microgroove, rabbet, rifling, ruck, rut, score, scratch, slash, slit, streak, streaking, stria, striature, striga, striola, strip, stripe, striping, stroke, sublineation, sulcation, sulcus, underline, underlining, underscore, underscoring, virgule, well-worn groove, wrinkle