noun
: plankton consisting of small and usually microscopic organisms that are large enough to be retained by a net of number 25 mesh silk bolting cloth — compare : nannoplankton
noun
: plankton consisting of small and usually microscopic organisms that are large enough to be retained by a net of number 25 mesh silk bolting cloth — compare : nannoplankton
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012