seston

noun
ses·​ton | \ ˈseˌstän\
plural -s

Definition of seston

: minute material moving in water and including both living organisms (such as plankton and nekton) and nonliving matter (such as plant debris or suspended soil particles) — see bioseston — compare tripton

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Other Words from seston

sestonic \ (ˈ)se¦stänik \ adjective

History and Etymology for seston

German, from Greek sēston, neuter of sēstos, verbal of sēthein to strain, filter

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