estuarine

[ es-choo-uh-rahyn, -er-in ]

/ ˈɛs tʃu əˌraɪn, -ər ɪn /

formed in an estuary.

found in estuaries.

Origin of estuarine

First recorded in 1840–50; estuar(y) + -ine¹

in·ter·es·tu·a·rine, adjective sub·es·tu·a·rine, adjective

Oceanic deposits, like the Upper Chalk, are succeeded by beds of littoral and estuarine characters.

The Chain of Life in Geological Time |Sir J. William Dawson
Limestone and marine beds in the south are replaced by sandy and estuarine beds in the north.

Sea-Weeds, Shells and Fossils |Peter Gray
Slowly this sea shallowed, giving rise to the alternating estuarine marine and freshwater deposits of the Coal Measures.

Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 4 |Various
Whether these are marine, lacustrine, or estuarine deposits, there is hardly sufficient evidence to show.

Early Days in North Queensland |Edward Palmer

Peat as at Southampton Docks, is found under the estuarine mud off Netley.

The Geological Story of the Isle of Wight |J. Cecil Hughes

estuarine

/ (ˈɛstjʊəˌraɪn, -rɪn) /

formed or deposited in an estuary estuarine muds

growing in, inhabiting, or found in an estuary an estuarine fauna