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phytoplankton

American  
[fahy-tuh-plangk-tuhn] / ˌfaɪ təˈplæŋk tən /

noun

  1. the aggregate of plants and plantlike organisms in plankton.


phytoplankton British  
/ ˌfaɪtəˈplæŋktən, ˌfaɪtəplæŋkˈtɒnɪk /

noun

  1. the photosynthesizing organisms in plankton, mainly unicellular algae and cyanobacteria Compare zooplankton

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

phytoplankton Scientific  
/ fī′tō-plăngktən /
  1. Plankton consisting of free-floating algae, protists, and cyanobacteria. Phytoplankton form the beginning of the food chain for aquatic animals and fix large amounts of carbon, which would otherwise be released as carbon dioxide.


Other Word Forms

  • phytoplanktonic adjective

Etymology

Origin of phytoplankton

First recorded in 1895–1900; phyto- + plankton

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

"As ice decreases in the future, we expect to see increased consumption of nutrients by phytoplankton in the Arctic, which has consequences for the food web," Pavia said.

From Science Daily

All appear free from the layer of phytoplankton detritus covering the nearby seabed -- a sharp contrast easily seen in the central portion of the image.

From Science Daily

The creatures eat phytoplankton on the ocean surface which grow by transforming carbon dioxide into living matter through photosynthesis.

From BBC

Marine plants and phytoplankton use it to protect themselves from the saltiness of seawater, literally as a buffer against stress.

From Salon

The amount of algae that produce toxins, also known as phytoplankton, is normally small and doesn’t pose a threat.

From Los Angeles Times