striae

Fine linear markings

Striae are parallel lines, grooves, or bands on a surface.

In geology, striae are scratches left on rock by glacial movement.

In anatomy, striae are stretch marks—the streaky lines that appear when skin stretches rapidly during pregnancy, weight gain, or growth spurts: She had faint striae on her hips from adolescence.

Singular: stria.

anatomical

stretch marks

Skin scars from stretching

dermis · epidermis · scarring · pregnancy · puberty · growth spurts · bodybuilding · weight gain · cortisone · glucocorticoids

geological

grooves

Narrow carved channels

bedrock · scratches · parallel lines · ice sheets · erosion · scoring · abrasion · moraine · limestone · granite

biological

banding

Adding decorative strips

layering · periodic · skeletal muscle · coral · mollusk · incremental

optical

interference

Unwelcome involvement in affairs

grating · iridescence · thin film · prismatic · holographic

Opposites
surface texture

striaesmoothness

Freedom from irregularity

smooth surfaces · polished surfaces · polished surface · uniformity · evenness

pattern regularity

striaeunpatterned

Lacking repeated design

uniformity · homogeneity · monochrome · plain · mottling

Phrases
Family

striated, striation, striate, stria, striations, striating

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Used worldwide · Timeless · Concrete · Rated G