seston

noun

ses·​ton

ˈseˌstän

plural -s

: 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

sestonic

(ˈ)se¦stänik

adjective

Word History

Etymology

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

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