Background for kernels

kernels

/ˈkɜːnlz/ /ˈkɝnl̩z/

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noun

The core, center, or essence of an object or system.

Examples :

"the kernel of an argument"

part system abstract

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noun

The central (usually edible) part of a nut, especially once the hard shell has been removed.

Examples :

"My daughter loves to eat the walnut kernels straight from the bag for a healthy snack. "

food plant part seed

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noun

A single seed or grain, especially of corn or wheat.

Examples :

"The farmer harvested the corn, separating the kernels from the cobs. "

seed food plant agriculture

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noun

The stone of certain fruits, such as peaches or plums.

Examples :

"My grandmother carefully extracted the kernels from the ripe peaches. "

fruit seed plant part

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noun

A small mass around which other matter is concreted; a nucleus; a concretion or hard lump in the flesh.

Examples :

"After years of sun exposure, the dermatologist removed several small, hard kernels from the patient's skin. "

biology medicine body part

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noun

The central part of many computer operating systems which manages the system's resources and the communication between hardware and software components.

Examples :

"The Linux kernel is open-source."

computing system technology electronics machine

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noun

The core engine of any complex software system.

Examples :

""The kernels of operating systems like Windows and macOS manage the computer's hardware and allow other programs to run." "

computing technology system machine structure

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noun

A function used to define an integral transform.

Examples :

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

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noun

A set of pairs of a mapping's domain which are mapped to the same value.

Examples :

"In Ms. Johnson's math class, the kernels of the function "find the remainder after dividing by 5" consisted of all numbers that leave the same remainder (like 2, 7, 12, etc., all grouped together because they leave a remainder of 2). "

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noun

For a given function (especially a linear map between vector spaces), the set of elements in the domain which are mapped to zero; (formally) given f : X → Y, the set {x ∈ X : f(x) = 0}.

Examples :

"If a function is continuous then its kernel is a closed set."

math function logic science computing technical

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noun

For a category with zero morphisms: the equalizer of a given morphism and the zero morphism which is parallel to that given morphism.

Examples :

"In advanced algebra, kernels are used to find the set of elements that map to zero under a specific transformation. "

math theory logic

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noun

(fuzzy set theory) The set of members of a fuzzy set that are fully included (i.e., whose grade of membership is 1).

Examples :

"In the fuzzy set of "students who studied hard," the kernels are the students who absolutely, without a doubt, studied every day and knew all the material perfectly. "

theory math logic

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noun

The human clitoris.

body organ anatomy sex human

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noun

The nucleus and electrons of an atom excluding its valence electrons.

Examples :

"In chemistry class, the professor explained that the kernels of atoms are positively charged and largely determine the atom's mass, while the valence electrons dictate how it bonds with other atoms. "

physics chemistry element part