Parameter

//pəˈɹæm.ə.tɚ// noun

Definitions

Noun
  1. 1
    A value kept constant during an experiment, equation, calculation, or similar, but varied over other versions of the experiment, equation, calculation, etc.

    "As molecular surface-to-surface contacts control both solution phenomena and surface phenomena, it is not surprising that various correlations of cohesion parameters and surface phenomena can be found."

  2. 2
    a constant in the equation of a curve that can be varied to yield a family of similar curves wordnet
  3. 3
    A variable that describes a property or characteristic of some system (material, object, event, etc.) or some aspect thereof.

    "Cohesion parameters (solubility parameters) can be used with full theoretical justification to characterize many surfaces ..."

  4. 4
    a quantity (such as the mean or variance) that characterizes a statistical population and that can be estimated by calculations from sample data wordnet
  5. 5
    A variable that describes a property or characteristic of some system (material, object, event, etc.) or some aspect thereof.; Any measured quantity of a statistical population that summarises or describes an aspect of the population.
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  1. 6
    (computer science) a reference or value that is passed to a function, procedure, subroutine, command, or program wordnet
  2. 7
    A variable that describes a property or characteristic of some system (material, object, event, etc.) or some aspect thereof.; A variable of a model that is trained by a machine learning algorithm.

    "The parameter estimation problem considered in this chapter consists of estimating the unknown parameter, ū [a barred v, actually], given N samples of the observation process."

  3. 8
    any factor that defines a system and determines (or limits) its performance wordnet
  4. 9
    An input variable of a function definition, that gets an actual value (argument) at execution time.
  5. 10
    An actual value given to such a formal parameter. broadly
  6. 11
    A characteristic or feature that distinguishes something from others.
  7. 12
    In the ellipse and hyperbola, a third proportional to any diameter and its conjugate, or in the parabola, to any abscissa and the corresponding ordinate.

    "The parameter of the principal axis of a conic section is called the latus rectum."

  8. 13
    Clipping of uniformizing parameter. abbreviation, alt-of, clipping
  9. 14
    The ratio of the three crystallographic axes which determines the position of any plane.
  10. 15
    The fundamental axial ratio for a given species.

Etymology

From French paramètre, from New Latin parametrum (“parameter”), from Ancient Greek παρα- (para-, “beside”) + μέτρον (métron, “measure”).

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