: 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
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
