organism

American  

[awr-guh-niz-uhm] / ˈɔr gəˌnɪz əm /

noun

1. a form of life composed of mutually interdependent parts that maintain various vital processes.

2. a form of life considered as an entity; an animal, plant, fungus, protistan, or moneran.

3. any organized organized body or system conceived of as analogous to a living being.

   the governmental organism.

4. any complex thing or system having properties and functions determined not only by the properties and relations of its individual parts, but by the character of the whole that they compose and by the relations of the parts to the whole.

   Synonyms:

   structure, entity, network, organization

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organism British  

/ ˈɔːɡəˌnɪzəm /

noun

1. any living biological entity, such as an animal, plant, fungus, or bacterium

2. anything resembling a living creature in structure, behaviour, etc

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organism Scientific  

/ ôr′gə-nĭz′əm /

1. An individual form of life that is capable of growing, metabolizing nutrients, and usually reproducing. Organisms can be unicellular or multicellular. They are scientifically divided into five different groups (called kingdoms) that include prokaryotes, protists, fungi, plants, and animals, and that are further subdivided based on common ancestry and homology of anatomic and molecular structures.

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Other Word Forms

• organismal adjective
• organismally adverb
• organismic adjective
• organismically adverb
• superorganism noun

Etymology

Origin of organism

First recorded in 1655–65; organ + -ism

Example Sentences

Rather than remaining static, the ER undergoes controlled remodeling as organisms grow older.

From Science Daily

Their dominance comes from genome streamlining, an evolutionary strategy in which organisms shed genes to conserve energy in nutrient-poor environments.

From Science Daily

Chemical signals preserved in the shells of these organisms allow scientists to estimate oxygen levels in seawater across millions of years.

From Science Daily

The updated work added new details about its physical traits, biology, geographic distribution, and host organisms, including spiders.

From Science Daily

Soft-bodied organisms living on the seafloor were buried by sand and preserved with extraordinary precision, leaving behind detailed fossil impressions that defy expectations.

From Science Daily

Related Words

• animal
• creature
• structure