kernel

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English [edit]

Etymology [edit]

From Old English cyrnel, diminutive of corn (seed), related to Old Norse kjarni (kernel)

Pronunciation [edit]

Noun [edit]

kernel (plural kernels)

  1. The core, center, or essence of an object or system.
  2. The central (usually edible) part of a nut, especially once the hard shell has been removed.
  3. A single seed or grain, especially of corn or wheat.
  4. (US) The stone of certain fruits, such as peaches or plums.
  5. (computing) The central part of many computer operating systems which manages the system's resources and the communication between hardware and software components.
  6. (mathematics, algebra) Those elements, in the domain of a function, which the function maps to zero.
    If a function is continuous then its kernel is a closed set.
  7. (mathematics, fuzzy set theory) The set of members of a fuzzy set that are fully included (i.e., whose grade of membership is 1).

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Translations [edit]

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