You searched for: “hemiplankton
hemiplankton (s) (noun), hemiplankton (pl)
Tiny mainly plant organisms that exist in shallow pools of water and sink to the bottom at certain times: Hemiplankton evidently are not completely independent of soil due to the fact that they rest on a riverbed at fixed periods of their life span.
This entry is located in the following units: hemi- (page 3) plankto-, plankt-, -plankton (page 2)