plankton planktology • planktonic · · · Info · Definitions · Characters · · plankton · · Text Latin · · Script 8 · · Length Definitions · · · (noun) the aggregate of small plant and animal organisms that float or drift in great numbers in fresh or salt water. · · Noun Definition 1 Characters · · a latin small letter a U+0061 k latin small letter k U+006B l latin small letter l U+006C n latin small letter n U+006E o latin small letter o U+006F p latin small letter p U+0070 t latin small letter t U+0074