Meaning & Definition of word "Plankton"

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    Plankton

    /ˈplæŋktən/

    noun:

    • 1. Small organisms that drift or float in water, typically microscopic, and serve as a primary food source for larger aquatic animals.
      • Example: Plankton forms the base of the aquatic food web, supporting species from tiny fish to large whales.
    • 2. The collective mass of such organisms found in a specific body of water.
      • Example: The plankton in the ocean varies significantly with the changing seasons.
    • 3. Any of the minute aquatic organisms that drift with currents, including phytoplankton and zooplankton.
      • Example: Scientists are studying phytoplankton to understand their role in carbon cycling.

    Etymology

    Derived from the Greek 'planktos', meaning 'wanderer' or 'drifter'.

    Common Phrases and Expressions

    plankton bloom:

    A rapid increase in the population of plankton in a water body, often due to favorable conditions.

    plankton net:

    A specialized net used to collect samples of plankton for study.

    Related Words

    phytoplankton:

    Plant-like plankton that performs photosynthesis.

    zooplankton:

    Animal-like plankton that consumes phytoplankton.

    Slang Meanings of plankton

    Meaning: Someone or something that drifts along without direction.

    Example Sentence: He's just a plankton in the corporate world, going with the flow.

    Meaning: A person of little importance or influence.

    Example Sentence: In that big organization, I'm just plankton, not a decision-maker.