different between shell vs leaf

English

Etymology

From Middle English schelle, from Old English s?iell, from Proto-West Germanic *skallju, from Proto-Germanic *skalj?, from Proto-Indo-European *(s)kelH- (“to split, cleave”).

Compare West Frisian skyl (“peel, rind”), Dutch schil (“peel, skin, rink”), Low German Schell (“shell, scale”), Irish scelec (“pebble”), Latin silex (“pebble, flint”), siliqua (“pod”), Old Church Slavonic ??????? (skolika, “shell”). More at shale.Doublet of sheal.

• (computing): From being viewed as an outer layer of interface between the user and the operating-system internals.

Pronunciation

• enPR: sh?l, IPA^(key): /??l/
• Rhymes: -?l

Noun

shell (plural shells)

1. A hard external covering of an animal.
   1. The calcareous or chitinous external covering of mollusks, crustaceans, and some other invertebrates.

   2. (by extension) Any mollusk having such a covering.
   3. (entomology) The exoskeleton or wing covers of certain insects.
   4. The conjoined scutes that constitute the "shell" (carapace) of a tortoise or turtle.
   5. The overlapping hard plates comprising the armor covering the armadillo's body.
2. The hard calcareous covering of a bird egg.
3. One of the outer layers of skin of an onion.

4. (botany) The hard external covering of various plant seed forms.
   1. The covering, or outside part, of a nut.

   2. A pod containing the seeds of certain plants, such as the legume Phaseolus vulgaris.
   3. (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.
5. (geology) The accreted mineral formed around a hollow geode.
6. (weaponry) The casing of a self-contained single-unit artillery projectile.
7. (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.
8. (weaponry) The cartridge of a breechloading firearm; a load; a bullet; a round.
9. (architecture) Any slight hollow structure; a framework, or exterior structure, regarded as not complete or filled in, as the shell of a house.
10. 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.
11. A coarse or flimsy coffin; a thin interior coffin enclosed within a more substantial one.

    (Can we find and add a quotation of Knight to this entry?)

12. (music) A string instrument, as a lyre, whose acoustical chamber is formed like a shell.
    • 1687, John Dryden, A Song for Cecilia's Day

13. (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.
14. An engraved copper roller used in print works.
15. The thin coating of copper on an electrotype.
16. (nautical) The watertight outer covering of the hull of a vessel, often made with planking or metal plating.
17. (nautical, rigging) The outer frame or case of a block within which the sheaves revolve.
18. (nautical) A light boat whose frame is covered with thin wood, impermeable fabric, or water-proofed paper; a racing shell or dragon boat.
19. (chemistry) A set of atomic orbitals that have the same principal quantum number.
20. (figuratively) The outward form independent of what is inside.
21. (figuratively) The empty outward form of someone or something.

22. An emaciated person.

23. A psychological barrier to social interaction.

24. (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.

25. (business) A legal entity that has no operations.

26. A concave rough cast-iron tool in which a convex lens is ground to shape.
27. (engineering) A gouge bit or shell bit.
28. (phonology) The onset and coda of a syllable.
29. (Britain, slang) A person's ear.

    Synonym: shell-like

    Can I have a quick word in your shell?

Derived terms

Translations

Verb

shell (third-person singular simple present shells, present participle shelling, simple past and past participle shelled)

1. To remove the outer covering or shell of something.
2. To bombard, to fire projectiles at, especially with artillery.
3. (informal) To disburse or give up money, to pay. (Often used with out).
4. (intransitive) To fall off, as a shell, crust, etc.
5. (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.

6. (computing, intransitive) To switch to a shell or command line.
   • 1993, Robin Nixon, The PC Companion (page 115)

     Automenu is a good program to try, and offers a fair amount of protection - but, unfortunately, it's one of those systems that allow users to shell to DOS.

7. To form shallow, irregular cracks (in a coating).
8. (topology) To form a shelling.

Derived terms

• sheller
• shell out

Translations

Further reading

• shell in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.
• shell in The Century Dictionary, New York, N.Y.: The Century Co., 1911.
• shell on Wikimedia Commons.Wikimedia Commons

Anagrams

• hells

Yola

Etymology

From Middle English schal, from Old English s?eal.

Verb

shell

1. shall

References

• Jacob Poole (1867) , William Barnes, editor, A glossary, with some pieces of verse, of the old dialect of the English colony in the baronies of Forth and Bargy, County of Wexford, Ireland, J. Russell Smith, ?ISBN

English

Etymology

From Middle English leef, from Old English l?af, from Proto-West Germanic *laub, from Proto-Germanic *laub? (“leaf”) (compare West Frisian leaf, Low German Loov, Dutch loof, German Laub, Danish løv, Swedish löv, Norwegian Nynorsk lauv), from Proto-Indo-European *lowb?-o-m, from *lewb?- (“leaf, rind”) (compare Irish luibh (“herb”), Latin liber (“bast; book”), Lithuanian lúoba (“bark”), Albanian labë (“rind”), Latvian luba (“plank, board”), Russian ??? (lub, “bast”)).

Pronunciation

• enPR: l?f, IPA^(key): /li?f/
• Rhymes: -i?f
• Homophones: Leith (with th-fronting), lief

Noun

leaf (countable and uncountable, plural leaves)

1. The usually green and flat organ that represents the most prominent feature of most vegetative plants.
2. Anything resembling the leaf of a plant.
3. A sheet of any substance beaten or rolled until very thin.

4. A sheet of a book, magazine, etc (consisting of two pages, one on each face of the leaf).

   Synonyms: folio, folium

5. (advertising, dated) Two pages.
   • 1900, Profitable Advertising (volume 10, issue 2, page 893)

     Heretofore advertisers have had to buy and pay for a leaf — two pages.

6. (in the plural) Tea leaves.
7. A flat section used to extend the size of a table.
9. A moveable panel, e.g. of a bridge or door, originally one that hinged but now also applied to other forms of movement.

   Hyponym: doorleaf

   Meronym: stile

10. (botany) A foliage leaf or any of the many and often considerably different structures it can specialise into.
11. (computing, mathematics) In a tree, a node that has no descendants.
    • 2011, John Mongan, Noah Kindler, Eric Giguère, Programming Interviews Exposed

      The algorithm pops the stack to obtain a new current node when there are no more children (when it reaches a leaf).

12. The layer of fat supporting the kidneys of a pig, leaf fat.
13. One of the teeth of a pinion, especially when small.
14. (slang, uncountable) Cannabis.
15. (Internet slang, derogatory) A Canadian person.

Synonyms

• phyllon

Derived terms

Translations

Verb

leaf (third-person singular simple present leafs, present participle leafing, simple past and past participle leafed)

1. (intransitive) To produce leaves; put forth foliage.
2. (transitive) To divide (a vegetable) into separate leaves.

   The lettuce in our burgers is 100% hand-leafed.

Synonyms

• leave (verb)

Derived terms

• leafing
• leaf through

Translations

See also

• foliage
• frond
• needle

Further reading

• leaf on Wikipedia.Wikipedia
• leaf (disambiguation) on Wikipedia.Wikipedia
• leaf in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.
• leaf at OneLook Dictionary Search

References

Anagrams

• Lafe, alef, feal, flea

Old English

Pronunciation

• IPA^(key): /læ???f/

Etymology 1

From Proto-Germanic *laub?. Cognate with West Frisian leaf, Old Saxon l?f, Old High German loup, Old Norse lauf, Gothic ???????????????????? (laufs).

Noun

l?af n

1. leaf
2. page

Declension

Descendants

• Middle English: leef, lefe, leve, lewe
  • English: leaf
  • Scots: leaf, lefe, leif
  • Yola: laafe

Etymology 2

From Proto-Germanic *laub?. Cognate with Old High German *louba (German Laube).

Noun

l?af f

1. permission

Declension

Descendants

• English: leave

Scots

Etymology

From Old English l?af.

Noun

leaf (plural leafs)

1. leaf

West Frisian

Pronunciation

• IPA^(key): /l???f/

Etymology 1

From Old Frisian l?f

Noun

leaf n (plural leaven, diminutive leafke)

1. leaf, especially a long leaf, like a blade of grass

Further reading

• “leaf (IV)”, in Wurdboek fan de Fryske taal (in Dutch), 2011

Etymology 2

From Old Frisian li?f

Adjective

leaf

1. friendly, kind, cordial

Inflection

Derived terms

• leafde
• leavehearsbistke

Further reading

• “leaf (I)”, in Wurdboek fan de Fryske taal (in Dutch), 2011