(A collective term for) those forms of organic life found drifting in the atmosphere, comprising minute insects, spiders, and mites, bacteria and other microscopic organisms, fungal spores, etc.; also called aeroplankton.
Origin
1930s.
Definition of aerial plankton in US English:
aerial plankton
noun
Biology
(A collective term for) those forms of organic life found drifting in the atmosphere, comprising minute insects, spiders, and mites, bacteria and other microscopic organisms, fungal spores, etc.; also called aeroplankton.