Phytoplankton

//ˌfaɪ.təˈplæŋk.tən// noun

noun ·Uncommon ·Advanced level

Definitions

Noun
  1. 1
    Plankton, especially those small in size, that obtain energy by photosynthesis. countable, uncountable
  2. 2
    photosynthetic or plant constituent of plankton; mainly unicellular algae wordnet

Example

More examples

"About two-thirds of the Earth's oxygen is produced by phytoplankton."

Etymology

From phyto- + plankton. From Ancient Greek φυτόν (phutón, “plant”) + πλαγκτόν (planktón), neuter of πλαγκτός (planktós, “wandering”). However, they are no longer classified as plants, so the terminology is showing a historical meaning.

Related phrases

More for "phytoplankton"

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.