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English Lexicon

Organism

/ˈɔːr.ɡən.ɪ.zəm/
nounCEFR B2 (Upper)Top #2850 frequency
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Comprehensive Definitions & Senses

2 senses
As noun
  1. 1

    A living thing that has (or can develop) the ability to act or function independently.

    "The scientist studied the behavior of the organism in its natural habitat."
  2. 2

    Any individual entity that exhibits the properties of life, including growth, reproduction, and response to stimuli.

    "Bacteria are single-celled organisms that can thrive in various environments."
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Antonyms & Contrasting Words (1)

Linguistic Origin & Historical Etymology

Derived from the Greek word 'organon', meaning 'instrument, tool, or organ', entering Modern Latin as 'organismus' in the 18th century. It evolved in English during the early 19th century to describe any individual living system, such as an animal, plant, fungus, or microorganism, capable of reacting to stimuli, reproduction, growth, and maintenance.

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