kernel -
the choicest or most essential or most vital part of some idea or experience; "the gist of the prosecutor's argument"; "the heart and soul of the Republican Party"; "the nub of the story"
kernel -
Those elements, in the domain of a function, which the function maps to zero.
kernel -
The set of members of a fuzzy set that are fully included i. e. , whose grade of membership is 1.
OmegaWiki Dictionary
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kernel The choicest, most essential or most vital part.
kernel The central part of many computer operating systems which manages the system's resources and the communication between hardware and software components.