Shell vs. Subshell — What's the Difference?

The hard protective outer case of a mollusc or crustacean

One or more orbitals in the electron shell of an atom.

An explosive artillery projectile or bomb

Atomic orbitals for which the values of the n and l quantum numbers are the same, such as the three 2p or five 3d atomic orbitals.

Something resembling or likened to a shell because of its shape or its function as an outer case

(computing) A child process launched by a shell.

The metal framework of a vehicle body.

A light racing boat.

An inner or roughly made coffin.

The hand guard of a sword.

Each of a set of orbitals around the nucleus of an atom, occupied or able to be occupied by electrons of similar energies

Short for shell program

Bombard with shells

Remove the shell or pod from (a nut or seed)

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

A similar outer covering on a nut or seed.

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

The material that constitutes such a covering.

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

A framework or exterior, as of a building.

A thin layer of pastry.

The external part of the ear.

The hull of a ship.

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

A small glass for beer.

An artillery projectile containing an explosive charge.

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.

An attitude or a manner adopted to mask one's true feelings or to protect one from perceived or real danger

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

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.

A usually sleeveless and collarless, typically knit blouse.

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

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

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.

To remove the shell of; shuck

To remove from a shell

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

To fire shells at; bombard.

To defeat decisively.

(Baseball) To hit the pitches of (a pitcher) hard and with regularity

To shed or become free of a shell.

To look for or collect shells, as on a seashore

A hard external covering of an animal.

The calcareous or chitinous external covering of mollusks, crustaceans, and some other invertebrates.

(by extension) Any mollusk having such a covering.

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

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

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

The hard calcareous covering of a bird egg.

One of the outer layers of skin of an onion.

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

The covering, or outside part, of a nut.

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

(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.

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

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

(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.

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

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

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.

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

(music) A string instrument, as a lyre, whose acoustical chamber is formed like a 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.

An engraved copper roller used in print works.

The thin coating of copper on an electrotype.

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

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

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

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

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

(figuratively) The empty outward form of someone or something.

An emaciated person.

A psychological barrier to social interaction.

(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.

(business) A legal entity that has no operations.

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

(engineering) A gouge bit or shell bit.

(phonology) The onset and coda of a syllable.

A person's ear.

To remove the outer covering or shell of something.

To bombard, to fire projectiles at, especially with artillery.

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

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

(intransitive) To cast the shell, or exterior covering; to fall out of the pod or husk.

To switch to a shell or command line.

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

(topology) To form a shelling.

A hard outside covering, as of a fruit or an animal.

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.

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.

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

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

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

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

An engraved copper roller used in print works.

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

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

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

Something similar in form or action to an ordnance shell;

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

A gouge bit or shell bit.

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.

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

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

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

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

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

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

The material that forms the hard outer covering of many animals

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

The hard usually fibrous outer layer of some fruits especially nuts

The exterior covering of a bird's egg

A rigid covering that envelops an object;

A very light narrow racing boat

The housing or outer covering of something;

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

The hard largely calcareous covering of a mollusc

Use explosives on;

Fall out of the pod or husk;

Hit the pitches of hard and regularly;

Look for and collect shells by the seashore

Come out better in a competition, race, or conflict;

Remove from its shell or outer covering;

Remove the husks from;