stri·​a·​tion | \strī-ˈā-shən \

Definition of striation 

1a : the fact or state of being striated

b : arrangement of striations or striae

2 : a minute groove, scratch, or channel especially when one of a parallel series

3 : any of the alternate dark and light cross bands of a myofibril of striated muscle

Examples of striation in a Sentence

Recent Examples on the Web

At times, their faces also displayed parallel lines of groves and striations. William J. Broad, New York Times, "How the Ice Age Shaped New York," 5 June 2018 There wasn’t a cloud in the sky, not in the sense of the phrase, but actually not a single vapor formation — just striations of light to lighter blue lifting from the horizon. Porter Fox, New York Times, "On a Canoe Trip Along the U.S.-Canada Border, Solitude and Shooting Stars," 20 June 2018 Then, Frayer began to look at striations on Neanderthal teeth. Gemma Tarlach, Discover Magazine, "Was Science Wrong About Being Right?," 18 May 2018 Around the denser filament there appear to be striations in the gas that astronomers suspected might be caused by waves propagating through the cloud. Daniel Clery, Science | AAAS, "Scientists just 3D imaged the birthplace of stars—using sound," 10 May 2018 The high-quality photos speak loudly for their subjects, large and small — mountains and glaciers, wildlife, tiny flowers, striations on rock, bluest ice. Nancy Lord, Anchorage Daily News, "In ‘A Wild Promise,’ a wilderness area in limbo and a book with a mission," 19 May 2018 The blue halo is created by tiny, irregular striations—usually lined up in parallel fashion—and is found in all major groups of flowering plants pollinated by insects, the scientists report today in Nature. Virginia Morell, Science | AAAS, "Flower petals have ‘blue halos’ to attract bees," 18 Oct. 2017 The dashboard design is a mix of art deco striations, nicely textured knobs, LCD displays, and two knobs poking out from either side of the gauge hood (reminiscent of controls in the LFA supercar). John Pearley Huffman, Car and Driver, "2018 Lexus LS," 27 Sep. 2017 The front is marked by diagonal striations and the five Olympic rings. Dan Gartland,, "See the Newly Revealed 2018 Olympic Medals," 21 Sep. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'striation.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of striation

circa 1847, in the meaning defined at sense 1a

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Dictionary Entries near striation



striated muscle





Statistics for striation

Last Updated

13 Oct 2018

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Time Traveler for striation

The first known use of striation was circa 1847

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More Definitions for striation


stri·​a·​tion | \strī-ˈā-shən \

Medical Definition of striation 

1 : the fact or state of being striated

2 : a minute groove, scratch, or channel especially when one of a parallel series

3 : any of the alternate dark and light cross bands of a myofibril of striated muscle

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