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generation

American  
[jen-uh-ray-shuhn] / ˌdʒɛn əˈreɪ ʃən /

noun

  • generations
    plural
  1. the entire body of individuals born and living at about the same time.

    the postwar generation.

  2. the average span of years between the birth of parents and the birth of their offspring, reckoned in accordance with various disciplines, as in human population studies, which typically cite a generational range as 20–35 years, and in the classification of Generations X, Y, and Z, which loosely frame periods of 15–20 years.

    Her photo layout shows the hairstyle trends among young men over the past four generations.

  3. a group of individuals, most of whom are the same approximate age, having similar ideas, problems, attitudes, etc.

  4. a group of individuals belonging to a specific category at the same time.

    Chaplin belonged to the generation of silent-screen stars.

  5. a single step in natural descent, as of human beings, animals, or plants.

  6. a form, type, class, etc., of objects existing at the same time and having many similarities or developed from a common model or ancestor (often used in combination).

    a new generation of anticancer drugs;

    a third-generation phone.

  7. the offspring of a certain parent or couple, considered as a step in natural descent.

  8. the act or process of generating or bringing into being; production, manufacture, or procreation.

  9. the state of being generated.

  10. production by natural or artificial processes; evolution, as of heat or sound.

  11. Biology.

    1. one complete life cycle.

    2. one of the alternate phases that complete a life cycle having more than one phase.

      the gametophyte generation.

  12. Mathematics. the production of a geometrical figure by the motion of another figure.

  13. Physics. one of the successive sets of nuclei produced in a chain reaction.

  14. (in duplicating processes, as photocopying, film, etc.) the distance in duplicating steps that a copy is from the original work.


generation British  
/ ˌdʒɛnəˈreɪʃən /

noun

  1. the act or process of bringing into being; production or reproduction, esp of offspring

    1. a successive stage in natural descent of organisms: the time between when an organism comes into being and when it reproduces

    2. the individuals produced at each stage

  2. the normal or average time between two such generations of a species: about 35 years for humans

  3. a phase or form in the life cycle of a plant or animal characterized by a particular type of reproduction

    the gametophyte generation

  4. all the people of approximately the same age, esp when considered as sharing certain attitudes, etc

  5. production of electricity, heat, etc

  6. physics a set of nuclei formed directly from a preceding set in a chain reaction

  7. (modifier, in combination)

    1. belonging to a generation specified as having been born in or as having parents, grandparents, etc, born in a given country

      a third-generation American

    2. belonging to a specified stage of development in manufacture, usually implying improvement

      a second-generation computer

"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

generation Scientific  
/ jĕn′ə-rā′shən /
    1. All of the offspring that are at the same stage of descent from a common ancestor.

    2. The average interval of time between the birth of parents and the birth of their offspring.

  1. A form or stage in the life cycle of an organism.

  2. See more at alternation of generations

  3. The formation of a line or geometric figure by the movement of a point or line.


Other Word Forms

Derived Forms

Inflected Forms

Nouns


Etymology

Origin of generation

First recorded in 1300–50; Middle English generacioun, from Middle French, from Latin generātiōn- (stem of generātiō ); see generate, -ion


Explanation

A generation can refer to a group of people who live at the same time and are about the same age. But generation is also the act of creating something, such as income, ideas or kids. In 1965, Pete Townsend, the guitarist of The Who, wrote a song called "My Generation." The Who, Jefferson Airplane, Jimi Hendrix and other popular musicians of the day were called “the Woodstock Generation,” because they performed at a famous music festival in Woodstock, New York. Generation is used in another way when people credit those bands — along with Elvis, the Beatles and the Rolling Stones — with the generation of rock-and-roll culture.

Keep Reading on Vocabulary.com

Vocabulary lists containing generation

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.

See Examples For:

His plan includes refurbishing a power generation barge, while dozens of gas compression and power generation units are being repaired in the US, the United Kingdom and the United Arab Emirates.

From Barron's ● Nov. 14, 2026

The result is a generation spending years in these study halls, trying to beat the odds for the civil service.

From The Wall Street Journal ● Nov. 13, 2026

They tested the model using a process called noncollinear sum frequency generation, or SFG, in which three interconnected light fields evolve together inside a crystal.

From Science Daily ● Nov. 13, 2026

With the peak of the baby-boomer generation turning 65 this year and the eldest of them hitting 80, caregiving is a hot-button issue.

From MarketWatch ● Nov. 13, 2026

Jefferson had also shared with Madison his intriguingly utopian suggestion that each generation was sovereign, so that the laws made for one generation should expire after about twenty years.

From "Founding Brothers: The Revolutionary Generation" by Joseph J. Ellis

The family's military influence has also drawn attention to the possibility of a political dynasty spanning generations, with Gen Kainerugaba's son, Ruhamya, recently graduating from Britain's Sandhurst military academy.

From BBC ● Nov. 14, 2026

Kelly hopes the spacecraft will inspire children for generations to come.

From Los Angeles Times ● Nov. 14, 2026

"We are waiting to see what the outcome will be on that day, the judgement for everything we have been experiencing for generations," said a 25-year-old Yangon-based Rohingya activist who requested anonymity for security reasons.

From Barron's ● Nov. 14, 2026

“You need to think in terms of generations, instead of, say, what is going to happen as far as this year’s state budget is concerned, the next elections or even your own lifetime,” he said.

From The Wall Street Journal ● Nov. 14, 2026

Von Tschermak had been a graduate student at Halle and in Ghent, where, working on pea hybrids, he had also observed hereditary traits moving independently and discretely, like particles, across generations of hybrids.

From "The Gene" by Siddhartha Mukherjee

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