noun \ˈplü-stən, -ˌstän\

Definition of PLEUSTON

:  organisms living in the thin surface layer existing at the air-water interface of a body of water
pleus·ton·ic \plü-ˈstä-nik\ adjective

Origin of PLEUSTON

International Scientific Vocabulary pleus- (irregular from Greek plein to sail, float) + -on (as in plankton)
First Known Use: 1943


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