Word Games Pro Dictionarypotamoplankton nounplankton that inhabit rivers ⧉Copy definition ↗Share ▣Print / Save PDFQuick referenceWord FactsWord length14Starts withPEnds withNContainsOTScrabble score24Database sourceOEWN 2025 CoreMeaningDefinitionsnounplankton that inhabit riversKeep exploringRelated Tools Word Unscrambler Build words from mixed letters. → Scrabble Finder Find playable words and scores. → Word Finder Search A–Z word lists and patterns. → Starts With P Words beginning with P. → Ends With N Words ending with N. → 10 Letter Words Explore verified 10-letter words. →