Definition of kernel

Definition of kernel
  1. kernel Noun The core, center, or essence of an object or system.
  2. kernel Noun The central (usually edible) part of a nut, especially once the hard shell has been removed.
  3. kernel Noun A single seed or grain, especially of corn or wheat.
  4. kernel Noun The central part of many computer operating systems which manages the system's resources and the communication between hardware and software components.
  5. kernel Noun The stone of certain fruits, such as peaches or plums.
  6. kernel Noun Those elements, in the domain of a function, which the function maps to zero.
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