intertidal
adjective
in·ter·tid·al
ˌin-tər-ˈtī-dᵊl 
: of, relating to, or being the part of the littoral zone above low-tide mark
Examples of intertidal in a Sentence
animals that live in the intertidal zone
Recent Examples on the Web
Once settled, campers can follow the Shoreline Trail from camp to make a loop around Turtle Back Hill, a promontory that juts out into a brackish, intertidal salt marshlands.
—
Don Sproul, Oc Register, 9 Sep. 2025
All three species belong to the Liparidae family, known to inhabit a wide range of cold ocean habitats, from shallow intertidal zones to the deepest ocean trenches 4 miles below the surface, researchers said.
—Lauren Liebhaber
september 8, Miami Herald, 8 Sep. 2025
Though far from easy, captive breeding programs at institutions like the Seattle Aquarium are working around the clock to raise healthy sunflower sea stars for eventual reintroduction, each new generation a small step toward restoring balance in the intertidal zone.
—New Atlas, 5 Sep. 2025
The blood-testing organs don’t measure water levels but rather the concentration of salt, whose healthy range lies at almost exactly the same concentration as that of the brackish intertidal water in which vertebrates first evolved (which is about one-third as salty as seawater).
—Dan Samorodnitsky, Quanta Magazine, 11 Aug. 2025
See All Example Sentences for intertidal
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Don Sproul, Oc Register, 9 Sep. 2025
All three species belong to the Liparidae family, known to inhabit a wide range of cold ocean habitats, from shallow intertidal zones to the deepest ocean trenches 4 miles below the surface, researchers said.
—Lauren Liebhaber
september 8, Miami Herald, 8 Sep. 2025
Though far from easy, captive breeding programs at institutions like the Seattle Aquarium are working around the clock to raise healthy sunflower sea stars for eventual reintroduction, each new generation a small step toward restoring balance in the intertidal zone.
—New Atlas, 5 Sep. 2025
The blood-testing organs don’t measure water levels but rather the concentration of salt, whose healthy range lies at almost exactly the same concentration as that of the brackish intertidal water in which vertebrates first evolved (which is about one-third as salty as seawater).
—Dan Samorodnitsky, Quanta Magazine, 11 Aug. 2025
See All Example Sentences for intertidal
Cite this Entry
“Intertidal.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/intertidal. Accessed 2 Oct. 2025.
Copy CitationKids Definition
intertidal
adjective
in·ter·tid·al
ˌint-ər-ˈtīd-ᵊl
: of, relating to, or being the area that is above low-tide mark but exposed to flooding by the tide
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