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The Collaborative International Dictionary
Class of a curve

Class \Class\ (kl[.a]s), n. [F. classe, fr. L. classis class, collection, fleet; akin to Gr. klh^sis a calling, kalei^n to call, E. claim, haul.]

  1. A group of individuals ranked together as possessing common characteristics; as, the different classes of society; the educated class; the lower classes.

  2. A number of students in a school or college, of the same standing, or pursuing the same studies.

  3. A comprehensive division of animate or inanimate objects, grouped together on account of their common characteristics, in any classification in natural science, and subdivided into orders, families, tribes, genera, etc.

  4. A set; a kind or description, species or variety.

    She had lost one class energies.
    --Macaulay.

  5. (Methodist Church) One of the sections into which a church or congregation is divided, and which is under the supervision of a class leader.

    Class of a curve (Math.), the kind of a curve as expressed by the number of tangents that can be drawn from any point to the curve. A circle is of the second class.

    Class meeting (Methodist Church), a meeting of a class under the charge of a class leader, for counsel and relegious instruction.