striation

IPA: striˈeɪʃʌn

(countable, mineralogy) One of a number of parallel grooves and ridges in a rock or rocky deposit, formed by repeated twinning or cleaving of crystals.
(countable, geomorphology) One of a number of parallel scratch lines in rock outcrops, formed when glaciers dragged rocks across the landscape.
The action of marking with a stria.
The result of being marked with a stria.
(roofing) a parallel series of small grooves, channels, or impressions typically within a metal roof panel used to help reduce the potential for oil-canning.

Examples of "striation" in Sentences

My muscles acquired unbelievable definition and striation.
My muscles vibrate faster and faster until they hit a state of constant striation.
This application of a classic technique that creates striation in drinks is akin to having a trucker hat tailored on Savile Row.
Long enough to admire the striation of the petals on the lush pink rose on page ninety-two of the fashion magazine I was holding.
Took a fall running in the park and scraped his knee, a striation of at least a dozen cuts across the joint that still looked raw.
But not just any writer — the type who set the whole world on fire with her worlds; a figure who left a striation on literary history, a clear mark of before and after.
At 277 miles long and more than a mile deep, its intricate formations are matched only by the stunning striation of the rock, and by the knowledge that the entire thing was carved out by the Colorado River on a 5-million-year mission.