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Kernel vs. Shell — What's the Difference?

Kernel vs. Shell — What's the Difference?

Difference Between Kernel and Shell

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Kernel

A softer, usually edible part of a nut, seed, or fruit stone contained within its shell
The kernel of a walnut
Pine kernels

Shell

The hard protective outer case of a mollusc or crustacean
Cowrie shells
The technique of carving shell

Kernel

The central or most important part of something
This is the kernel of the argument

Shell

An explosive artillery projectile or bomb
Shell holes
The sound of the shell passing over, followed by the explosion

Kernel

A grain or seed, as of a cereal grass, enclosed in a husk.
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Shell

Something resembling or likened to a shell because of its shape or its function as an outer case
Baked pastry shells filled with cheese
Pasta shells

Kernel

The usually edible seed inside the hard covering of a nut or fruit stone.

Shell

The metal framework of a vehicle body.

Kernel

The central or most important part; the core
"The kernel of his practical religion was that it was respectable, and beneficial to one's business, to be seen going to services" (Sinclair Lewis).

Shell

A light racing boat.

Kernel

A small amount of something, especially when potentially developing into something else
Detected a kernel of anger in his remarks.

Shell

An inner or roughly made coffin.

Kernel

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

Shell

The hand guard of a sword.

Kernel

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

Shell

Each of a set of orbitals around the nucleus of an atom, occupied or able to be occupied by electrons of similar energies
In a multi-electron atom, the lowest energy shells fill up first
An electron descending from one shell to a lower one emits an X-ray

Kernel

(botany) A single seed or grain, especially of corn or wheat.

Shell

Short for shell program

Kernel

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

Shell

Bombard with shells
Several villages north of the security zone were shelled

Kernel

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

Shell

Remove the shell or pod from (a nut or seed)
They were shelling peas
Shelled Brazil nuts

Kernel

(computing) The central part of many computer operating systems which manages the system's resources and the communication between hardware and software components.
The Linux kernel is open-source.

Shell

The usually hard outer covering that encases certain organisms, such as insects, turtles, and most mollusks.

Kernel

(computing) The core engine of any complex software system.

Shell

A similar outer covering on a nut or seed.

Kernel

(calculus) A function used to define an integral transform.
The Dirichlet kernel convolved with a function yields its Fourier series approximation.

Shell

A similar outer covering on certain eggs, such as those of birds and reptiles; an eggshell.

Kernel

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

Shell

The material that constitutes such a covering.

Kernel

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

Shell

An external, usually hard, protective or enclosing case or cover.

Kernel

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

Shell

A framework or exterior, as of a building.

Kernel

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

Shell

A thin layer of pastry.

Kernel

(slang) The human clitoris.

Shell

The external part of the ear.

Kernel

(chemistry) The nucleus and electrons of an atom excluding its valence electrons.

Shell

The hull of a ship.

Kernel

To enclose within a kernel

Shell

A light, long, narrow racing boat propelled by rowers.

Kernel

To crenellate

Shell

A small glass for beer.

Kernel

The essential part of a seed; all that is within the seed walls; the edible substance contained in the shell of a nut; hence, anything included in a shell, husk, or integument; as, the kernel of a nut. See Illust. of Endocarp.
'A were as good crack a fusty nut with no kernel

Shell

An artillery projectile containing an explosive charge.

Kernel

A single seed or grain; as, a kernel of corn.

Shell

A metal or cardboard case containing the charge and primer for a piece of firearms ammunition, especially one also containing shot and fired from a shotgun.

Kernel

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

Shell

An attitude or a manner adopted to mask one's true feelings or to protect one from perceived or real danger
Embarrassed, she withdrew into a shell.

Kernel

The central, substantial or essential part of anything; the gist; the core; as, the kernel of an argument.

Shell

A set of electron orbitals having nearly the same energy and sharing the same first quantum number.

Kernel

To harden or ripen into kernels; to produce kernels.

Shell

Any of the stable states of other particles or collections of particles (such as the nucleons in an atomic nucleus) at a given energy or small range of energies.

Kernel

The inner and usually edible part of a seed or grain or nut or fruit stone;
Black walnut kernels are difficult to get out of the shell

Shell

A usually sleeveless and collarless, typically knit blouse.

Kernel

A single whole grain of a cereal;
A kernel of corn

Shell

A thin, usually waterproof or windproof outer garment for the upper body.

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

Shell

(Computers) A program that works with the operating system as a command processor, used to enter commands and initiate their execution.

Shell

A company or corporation created by a second company or corporation for the purposes of facilitating a particular transaction, especially one that is intended to be concealed.

Shell

To remove the shell of; shuck
Shell oysters.

Shell

To remove from a shell
Shell peas.

Shell

To separate the kernels of (corn) from the cob.

Shell

To fire shells at; bombard.

Shell

To defeat decisively.

Shell

(Baseball) To hit the pitches of (a pitcher) hard and with regularity
Shelled the pitcher for eight runs in the first inning.

Shell

To shed or become free of a shell.

Shell

To look for or collect shells, as on a seashore
Spent the day shelling on Cape Cod.

Shell

A hard external covering of an animal.

Shell

The calcareous or chitinous external covering of mollusks, crustaceans, and some other invertebrates.
In some mollusks, as the cuttlefish, the shell is concealed by the animal's outer mantle and is considered internal.
Genuine mother-of-pearl buttons are made from sea shells.

Shell

(by extension) Any mollusk having such a covering.

Shell

(entomology) The exoskeleton or wing covers of certain insects.

Shell

The conjoined scutes that constitute the "shell" (carapace) of a tortoise or turtle.

Shell

The overlapping hard plates comprising the armor covering the armadillo's body.

Shell

The hard calcareous covering of a bird egg.

Shell

One of the outer layers of skin of an onion.
The restaurant served caramelized onion shells.

Shell

(botany) The hard external covering of various plant seed forms.

Shell

The covering, or outside part, of a nut.
The black walnut and the hickory nut, both of the same Genus as the pecan, have much thicker and harder shells than the pecan.

Shell

A pod containing the seeds of certain plants, such as the legume Phaseolus vulgaris.

Shell

(in the plural) Husks of cacao seeds, a decoction of which is sometimes used as a substitute or adulterant for cocoa and its products such as chocolate.

Shell

(geology) The accreted mineral formed around a hollow geode.

Shell

(weaponry) The casing of a self-contained single-unit artillery projectile.

Shell

(weaponry) A hollow, usually spherical or cylindrical projectile fired from a siege mortar or a smoothbore cannon. It contains an explosive substance designed to be ignited by a fuse or by percussion at the target site so that it will burst and scatter at high velocity its contents and fragments. Formerly called a bomb.

Shell

(weaponry) The cartridge of a breechloading firearm; a load; a bullet; a round.

Shell

(architecture) Any slight hollow structure; a framework, or exterior structure, regarded as not complete or filled in, as the shell of a house.

Shell

A garment, usually worn by women, such as a shirt, blouse, or top, with short sleeves or no sleeves, that often fastens in the rear.

Shell

A coarse or flimsy coffin; a thin interior coffin enclosed within a more substantial one.

Shell

(music) A string instrument, as a lyre, whose acoustical chamber is formed like a shell.
The first lyre may have been made by drawing strings over the underside of a tortoise shell.

Shell

(music) The body of a drum; the often wooden, often cylindrical acoustic chamber, with or without rims added for tuning and for attaching the drum head.

Shell

An engraved copper roller used in print works.

Shell

The thin coating of copper on an electrotype.

Shell

(nautical) The watertight outer covering of the hull of a vessel, often made with planking or metal plating.

Shell

The outer frame or case of a block within which the sheaves revolve.

Shell

(nautical) A light boat whose frame is covered with thin wood, impermeable fabric, or water-proofed paper; a racing shell or dragon boat.

Shell

(chemistry) A set of atomic orbitals that have the same principal quantum number.

Shell

(figuratively) The outward form independent of what is inside.

Shell

(figuratively) The empty outward form of someone or something.
The setback left him a mere shell; he was never the same again.

Shell

An emaciated person.
He's lost so much weight from illness; he's a shell of his former self.

Shell

A psychological barrier to social interaction.
Even after months of therapy he's still in his shell.

Shell

(computing) An operating system software user interface, whose primary purpose is to launch other programs and control their interactions; the user's command interpreter. Shell is a way to separate the internal complexity of the implementation of the command from the user. The internals can change while the user experience/interface remains the same.

Shell

(business) A legal entity that has no operations.
A shell corporation was formed to acquire the old factory.

Shell

A concave rough cast-iron tool in which a convex lens is ground to shape.

Shell

(engineering) A gouge bit or shell bit.

Shell

(phonology) The onset and coda of a syllable.

Shell

A person's ear.
Can I have a quick word in your shell?

Shell

To remove the outer covering or shell of something.

Shell

To bombard, to fire projectiles at, especially with artillery.
The guns shelled the enemy trenches.

Shell

(informal) To disburse or give up money, to pay. (Often used with out).

Shell

(intransitive) To fall off, as a shell, crust, etc.

Shell

(intransitive) To cast the shell, or exterior covering; to fall out of the pod or husk.
Nuts shell in falling.
Wheat or rye shells in reaping.

Shell

To switch to a shell or command line.

Shell

To form shallow, irregular cracks (in a coating).

Shell

(topology) To form a shelling.

Shell

A hard outside covering, as of a fruit or an animal.
Think him as a serpent's egg, . . .And kill him in the shell.

Shell

The hard calcareous or chitinous external covering of mollusks, crustaceans, and some other invertebrates. In some mollusks, as the cuttlefishes, it is internal, or concealed by the mantle. Also, the hard covering of some vertebrates, as the armadillo, the tortoise, and the like.

Shell

A hollow projectile, of various shapes, adapted for a mortar or a cannon, and containing an explosive substance, ignited with a fuse or by percussion, by means of which the projectile is burst and its fragments scattered. See Bomb.

Shell

The case which holds the powder, or charge of powder and shot, used with breechloading small arms.

Shell

Any slight hollow structure; a framework, or exterior structure, regarded as not complete or filled in; as, the shell of a house.

Shell

A coarse kind of coffin; also, a thin interior coffin inclosed in a more substantial one.

Shell

An instrument of music, as a lyre, - the first lyre having been made, it is said, by drawing strings over a tortoise shell.
When Jubal struck the chorded shell.

Shell

An engraved copper roller used in print works.

Shell

The husks of cacao seeds, a decoction of which is often used as a substitute for chocolate, cocoa, etc.

Shell

The outer frame or case of a block within which the sheaves revolve.

Shell

A light boat the frame of which is covered with thin wood or with paper; as, a racing shell.

Shell

Something similar in form or action to an ordnance shell;

Shell

A concave rough cast-iron tool in which a convex lens is ground to shape.

Shell

A gouge bit or shell bit.

Shell

To strip or break off the shell of; to take out of the shell, pod, etc.; as, to shell nuts or pease; to shell oysters.

Shell

To separate the kernels of (an ear of Indian corn, wheat, oats, etc.) from the cob, ear, or husk.

Shell

To throw shells or bombs upon or into; to bombard; as, to shell a town.

Shell

To fall off, as a shell, crust, etc.

Shell

To cast the shell, or exterior covering; to fall out of the pod or husk; as, nuts shell in falling.

Shell

To be disengaged from the ear or husk; as, wheat or rye shells in reaping.

Shell

Ammunition consisting of a cylindrical metal casing containing an explosive charge and a projectile; fired from a large gun

Shell

The material that forms the hard outer covering of many animals

Shell

Hard outer covering or case of certain organisms such as arthropods and turtles

Shell

The hard usually fibrous outer layer of some fruits especially nuts

Shell

The exterior covering of a bird's egg

Shell

A rigid covering that envelops an object;
The satellite is covered with a smooth shell of ice

Shell

A very light narrow racing boat

Shell

The housing or outer covering of something;
The clock has a walnut case

Shell

A metal sheathing of uniform thickness (such as the shield attached to an artillery piece to protect the gunners)

Shell

The hard largely calcareous covering of a mollusc

Shell

Use explosives on;
The enemy has been shelling us all day

Shell

Fall out of the pod or husk;
The corn shelled

Shell

Hit the pitches of hard and regularly;
He shelled the pitcher for eight runs in the first inning

Shell

Look for and collect shells by the seashore

Shell

Come out better in a competition, race, or conflict;
Agassi beat Becker in the tennis championship
We beat the competition
Harvard defeated Yale in the last football game

Shell

Remove from its shell or outer covering;
Shell the legumes
Shell mussels

Shell

Remove the husks from;
Husk corn

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