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population

American  

[pop-yuh-lay-shuhn] / ˌpɒp jəˈleɪ ʃən /

noun

• populations
  plural

1. the total number of people inhabiting a country, city, or any district or area.

2. the body of inhabitants of a place.

   The population of the city opposes the addition of fluorides to the drinking water.

3. the number or body of inhabitants in a place belonging to a specific social, cultural, socioeconomic, ethnic, or racial subgroup: the working-class population.

   the Native population

   the working-class population.

4. Statistics. any finite or infinite aggregation of individuals, not necessarily animate, subject to a statistical study.

5. Ecology.

   1. the assemblage of a specific type of organism living in a given area.

   2. all the individuals of one species in a given area.

6. the act or process of populating.

   Population of the interior was hampered by dense jungles.

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population British  

/ ˌpɒpjʊˈleɪʃən /

noun

1. (sometimes functioning as plural) all the persons inhabiting a country, city, or other specified place

2. the number of such inhabitants

3. (sometimes functioning as plural) all the people of a particular race or class in a specific area

   the Chinese population of San Francisco

4. the act or process of providing a place with inhabitants; colonization

5. ecology a group of individuals of the same species inhabiting a given area

6. astronomy either of two main groups of stars classified according to age and location. Population I consists of younger metal-rich hot white stars, many occurring in galactic clusters and forming the arms of spiral galaxies. Stars of population II are older, the brightest being red giants, and are found in the centre of spiral and elliptical galaxies in globular clusters

7. Also called: universe. statistics the entire finite or infinite aggregate of individuals or items from which samples are drawn

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population Scientific  

/ pŏp′yə-lā′shən /

1. A group of individuals of the same species occupying a particular geographic area. Populations may be relatively small and closed, as on an island or in a valley, or they may be more diffuse and without a clear boundary between them and a neighboring population of the same species. For species that reproduce sexually, the members of a population interbreed either exclusively with members of their own population or, where populations intergrade, to a greater degree than with members of other populations.

2. See also deme

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Other Word Forms

Derived Forms

• repopulation
  noun
• subpopulation
  noun
• superpopulation
  noun
• populational
  adjective
• populationless
  adjective

Inflected Forms

Nouns

• populations
  plural

Etymology

Origin of population

First recorded in 1570–80, population is from the Late Latin word populātiōn- (stem of populātiō ). See populate, -ion

Explanation

Population means the number of people in a geographic area. The population of Wyoming is just shy of 600,000 people, but the population of California is nearly 40 million! This word can also be used for subgroups of people. If you plan to start an all-ages ping pong league, you'll want to determine the population of table-tennis enthusiasts in your hometown. Population can apply to groups of animals, too. Because of the worldwide decrease in the panda population, giant pandas are now an endangered species. The word population, like the word populace, derives from the Latin populus, meaning "people."

Example Sentences

See Examples For:

population populations

They analyzed the general population separately from people receiving psychiatric care.

From Science Daily ● Sep. 30, 2026

California is set to bring back a program aimed at reducing conflict between wild animals and people, as the state’s rebounding wolf population continues to cause concern among ranchers.

From Los Angeles Times ● Sep. 30, 2026

The government has defended regulated hunting as one way of managing the elephant population and human-wildlife conflict while generating income for communities.

From BBC ● Sep. 30, 2026

Heatwaves and wildfires combined with human-caused emissions this year combined to expose one third of the world's population to extremely high levels of ozone pollution, a European Union report said on Wednesday.

From Barron's ● Sep. 30, 2026

There was, too, a population of freshwater salamanders.

From "Impossible Creatures" by Katherine Rundell

Stocks exposed to aging populations, such as healthcare companies focused on research and development and those connected to rising middle classes in emerging economies are also on the list.

From MarketWatch ● Sep. 30, 2026

Ice loss in Antarctica, meanwhile, is threatening penguin populations on the frozen continent.

From Barron's ● Sep. 30, 2026

The turtles are normally found throughout tropical regions of the Pacific, Indian and Atlantic oceans, with large nesting populations in Mexico, Nicaragua, Costa Rica and Panama.

From Los Angeles Times ● Sep. 29, 2026

Moss carder bumblebees are largely found in small, fragmented populations, according to the trust.

From BBC ● Sep. 27, 2026

All these types of diseases, characteristic of small isolated populations, must be the oldest diseases of humanity.

From "Guns, Germs, and Steel: The Fates of Human Societies" by Jared M. Diamond

Related Words

• community
• culture
• people
• populace
• public
• society
• state