Meaning of Kernel | Babel Free

Definitions

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. The stone of certain fruits, such as peaches or plums.
   US
5. A small mass around which other matter is concreted; a nucleus; a concretion or hard lump in the flesh.
6. The central part of many computer operating systems which manages the system's resources and the communication between hardware and software components.
7. The core engine of any complex software system.
8. The simplified input to an algorithm that has undergone kernelization.
9. A function used to define an integral transform.
10. The set of pairs of elements in the domain of f which are mapped to the same value; the equivalence relation x≡y⟺f(x)=f(y).
11. The set of elements of the domain of f which are mapped to an identity element.
    broadly
12. The set of elements of G which are mapped to the identity of H (usually written as 0 in an additive group and as 1 in a multiplicative group).
    broadly
13. The set of elements of R which are mapped to the additive identity 0 of S.
    broadly
14. The set of elements of M which are mapped to the additive identity 0 of N.
    broadly
15. The equalizer of f and the zero morphism from X to Y, denoted operatorname kerf.
16. The source of operatorname kerf, denoted operatorname Kerf.
17. The set of members of a fuzzy set that are fully included (i.e., whose grade of membership is 1).
18. The human clitoris.
    slang
19. The nucleus and electrons of an atom excluding its valence electrons.

Equivalents

Examples

“the kernel of an argument”

“The Linux kernel is open-source.”

“The Dirichlet kernel convolved with a function yields its Fourier series approximation.”

“If a function is continuous then its kernel is a closed set.”

“Using the blunt end of one of the vibraphone mallets, he pried open her folds. With the balled end of the other, he rhythmically rolled over her kernel.”

“1. In every atom is an essential kernel which remains unaltered in all ordinary chemical changes and which possesses an excess of positive charges corresponding in number to the ordinal number of the group in the periodic table to which the element belongs.”

CEFR level