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class

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noun American English pronunciation: class /klæs/ 
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singularclass
pluralclasses
  1. 1
    [countable] a group of students who are taught together

    Do you like the other kids in your class?

    My biology teacher is taking our class to the Boston Aquarium.

    1. a.
      [countable/uncountable] a period of time during which a group of students is taught together

      I have classes all afternoon.

      in class:

      We had to write an essay in class.

      a Spanish/math/science etc. class:

      I'll be in my French class at noon.

    2. b.
      [countable] a series of classes in a particular subject

      I go to my art class on Mondays.

      You could join an exercise class at your local health club.

      take a class:

      I've started taking classes at the community college.

      teach a class:

      Since getting her degree in 1986, she has taught English classes for adults.

    3. c.
      [countable] [usually singular] a group of people who finish a course of study together in the same year

      He attended his class reunion at Cornell University.

      the class of '64/'81/1995 etc.:

      He graduated with the class of '87.

  2. 2
    [countable] one of the groups into which people in a society are divided according to their family background, education, job, or income

    Garcia is a candidate who appeals to people of all classes.

    Craftsmen of the period clearly belonged to a lower-middle class.

    a social class:

    Women from all social classes attend the courses.

    1. a.
      [uncountable] the existence of differences that cause people to be divided into different social groups
      social class:

      the relationship between social class and educational achievement

      a class system:

      A rigid class system still prevails throughout the country.

  3. 3
    [countable] a group of things, animals, or people with similar features or qualities
    class of:

    The race has competitions for ten classes of boats.

  4. 4
    [countable] one of the standards of service available to someone traveling by train, airplane, etc.

    A man sitting in first class started the argument.

  5. 5
    [countable] one of the groups into which people are divided in a competition

    Andrews won her class by a massive 10-minute margin.

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