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 adjective
(ˈ)se¦stänik
Word History
Etymology
German, from Greek sēston, neuter of sēstos, verbal of sēthein to strain, filter