in·​ter·​tid·​al | \ ˌin-tər-ˈtī-dᵊl How to pronounce intertidal (audio) \

Definition of intertidal

: of, relating to, or being the part of the littoral zone above low-tide mark

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Other Words from intertidal

intertidally \ ˌin-​tər-​ˈtī-​dᵊl-​ē How to pronounce intertidal (audio) \ adverb

Examples of intertidal in a Sentence

animals that live in the intertidal zone
Recent Examples on the Web Recreational harvesting of mussels is usually done by hand at low tide, with clusters of the mollusks located in intertidal regions near rock outcroppings, and hard-bottom areas. Popular Science, "14 wild edibles you can pull right out of the ocean," 19 Oct. 2020 This intertidal zone, where many animals thrive away from predators, is what inspired Roble to become an aquatic ecologist. Elissaveta M. Brandon, Smithsonian Magazine, "How New York City Is Reclaiming Its Piers," 26 Oct. 2020 On the East Coast, from Canada to South Carolina, the Atlantic jackknife clam (also called a razor clam, but smaller than the Pacific variety) is sought in intertidal bays and estuaries. Popular Science, "14 wild edibles you can pull right out of the ocean," 19 Oct. 2020 The periwinkle is a small marine snail commonly found in coastal, intertidal areas of the northeastern United States and Maritime Provinces of Canada. Popular Science, "14 wild edibles you can pull right out of the ocean," 19 Oct. 2020 The species that are shrinking in distribution the most—anywhere from 30% to 50%—include the common sand dollar as well as the blue mussel, an economically important species and a keystone member of intertidal communities. Erik Stokstad, Science | AAAS, "Ocean warming has seafloor species headed in the wrong direction," 7 Sep. 2020 Check out the Friends of the Elephant Seals live cam to watch pups bask in the sun and learn to swim in the intertidal zones. Christian Heeb, National Geographic, "Picnic with a View," 27 Mar. 2020 In order to track ancient shorelines, Fedje and his colleagues took hundreds of samples of sediment cores from freshwater lakes, wetlands and intertidal zones. Rafal Gerszak, Smithsonian, "It’s one of the greatest mysteries of our time. But archaeologists and even geneticists are closer than ever to understanding when humans made the first bold journey to the Americas," 19 Dec. 2019 Strong storms - especially during El Niño years - are perfectly capable of laying siege to the intertidal zone, breaking apart the sediments, and leaving their contents stranded on shore. Alejandro Serrano,, "‘Penis fish’ — thousands of them — stranded at Point Reyes beach," 13 Dec. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'intertidal.' 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 intertidal

1883, in the meaning defined above

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The first known use of intertidal was in 1883

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Cite this Entry

“Intertidal.” Dictionary, Merriam-Webster, Accessed 25 Jan. 2021.

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How to pronounce intertidal (audio)

English Language Learners Definition of intertidal

technical : of or relating to the area of the shore that is between the low point and the high point of the tide

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