different between kernel vs centre

English

Etymology

From Middle English kernel, kirnel, kürnel, from Old English cyrnel, from Proto-West Germanic *kurnil, diminutive of *kurn? (“seed, grain, corn”), equivalent to corn +? -le. Cognate with Yiddish ??????? (kerndl), Middle Dutch kernel, cornel, Middle High German kornel. Related also to Old Norse kjarni (“kernel”).

Pronunciation

• (UK) IPA^(key): /?k??n?l/
• (US) IPA^(key): /?k?n?l/
• Rhymes: -??(?)n?l
• Homophone: colonel

Noun

kernel (plural kernels)

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

   Synonyms: crux, gist

2. (botany) The central (usually edible) part of a nut, especially once the hard shell has been removed.
3. (botany) A single seed or grain, especially of corn or wheat.
4. (botany, US) The stone of certain fruits, such as peaches or plums.
5. A small mass around which other matter is concreted; a nucleus; a concretion or hard lump in the flesh.
6. (computing) The central part of many computer operating systems which manages the system's resources and the communication between hardware and software components.

   Hyponyms: microkernel, unikernel

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

   Antonym: userland

8. (calculus) A function used to define an integral transform.

9. (mathematics) A set of pairs of a mapping's domain which are mapped to the same value.
10. (mathematics, linear algebra, functional analysis) 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}.

    Antonym: support

    Meronyms: root, zero

11. (mathematics, category theory) For a category with zero morphisms: the equalizer of a given morphism and the zero morphism which is parallel to that given morphism.
12. (mathematics, fuzzy set theory) The set of members of a fuzzy set that are fully included (i.e., whose grade of membership is 1).
13. (slang) The human clitoris.
    • 2014, Karyn Gerrard, Irene Preston, Lotchie Burton et al, Summer Heat: 10 Spicy Romances That Sizzle

      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.

14. (chemistry) The nucleus and electrons of an atom excluding its valence electrons.
    • 1916, Gilbert N. Lewis, “The Atom and The Molecule,” Journal of the American Chemical Society 38(4) p 768.

      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.

Synonyms

• (core or essence): See also Thesaurus:gist

Derived terms

Translations

Verb

kernel (third-person singular simple present kernels, present participle kerneling, simple past and past participle kerneled)

1. To enclose within a kernel
2. To crenelate

Anagrams

• kleren

Hungarian

Etymology

From English kernel.

Pronunciation

• IPA^(key): [?k?rn?l]
• Hyphenation: ker?nel
• Rhymes: -?l

Noun

kernel (plural kernelek)

1. (computing) kernel (the central part of many computer operating systems)

   Synonym: rendszermag

Declension

References

Middle English

Alternative forms

• cernel, curnel, kernell, kirnel, karnel, kurnel, kurnele, kyrnel, kyrnell, cornel

Etymology

From Old English cyrnel, from Proto-Germanic *kurnilaz; equivalent to corn +? -el. Some forms are influenced by corn.

Pronunciation

• IPA^(key): /?k?rn?l/, /?kirn?l/, /?kurn?l/, /?k?rn?l/

Noun

kernel (plural kerneles)

1. A seed, grain or stone of a fruit, corn, or nut; a pepper corn.
2. (figuratively) The core or most important part of a thing.
3. (figuratively) The start of an enterprise or endeavour.
4. (anatomy) A organ responsible for production of substances.
5. (medicine) A distended organ or growth.
6. (rare) A small pebble or rock; a flake of salt.

Derived terms

Descendants

• English: kernel
• Scots: kirnel; churnel

References

• “kirnel, n.”, in MED Online, Ann Arbor, Mich.: University of Michigan, 2007, retrieved 2018-07-06.

Old French

Alternative forms

• crenel

Etymology

(This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium.).

Noun

kernel m (oblique plural kerneaus or kerneax or kerniaus or kerniax or kernels, nominative singular kerneaus or kerneax or kerniaus or kerniax or kernels, nominative plural kernel)

1. crenel (space in a battlement from which weapons may be used on an incoming enemy)

Descendants

• ? English: crenel
• French: créneau

References

• Godefroy, Frédéric, Dictionnaire de l'ancienne langue française et de tous ses dialectes du IX^e au XV^e siècle (1881) (crenel, supplement)

Portuguese

Etymology

From English kernel.

Noun

kernel m (plural kernels)

1. (computing) kernel (central part of certain operating systems)

   Synonym: núcleo

English

Etymology

Borrowed from Middle French centre, from Latin centrum, from Ancient Greek ??????? (kéntron), from ??????? (kenteîn, “to prick, goad”).

Pronunciation

• (UK) IPA^(key): /?sen.t?(?)/
• (US) IPA^(key): /?s?n.t?/, [?s?.???]
  • (pin–pen merger) IPA^(key): [?s????]
• Hyphenation: cen?tre
• Rhymes: -?nt?(r)
• Homophone: sinner (pin-pen merger)
• Homophone: center

Noun

centre (plural centres)

1. (British spelling, Canadian spelling, Ireland, South Africa, Australia, New Zealand) Alternative spelling of center.

Derived terms

Translations

Verb

centre (third-person singular simple present centres, present participle centring or centreing, simple past and past participle centred)

1. (British spelling, Canadian spelling, Irish, South African, Australian and New Zealand) Alternative spelling of center

Translations

Anagrams

• Center, center, recent, tenrec

Catalan

Etymology

Borrowed from Latin centrum, from Ancient Greek ??????? (kéntron), from ??????? (kenteîn, “to prick, goad”).

Pronunciation

• (Balearic, Central) IPA^(key): /?sen.t??/
• (Valencian) IPA^(key): /?sen.t?e/

Noun

centre m (plural centres)

1. center (point in the interior of a circle)
2. center (middle portion of something)
3. center (place where some function or activity occurs)
4. center (topic that is particularly important)
5. downtown (business center of a city)

Derived terms

Related terms

• central
• cèntric

Further reading

• “centre” in Diccionari de la llengua catalana, segona edició, Institut d’Estudis Catalans.
• “centre” in Gran Diccionari de la Llengua Catalana, Grup Enciclopèdia Catalana.
• “centre” in Diccionari normatiu valencià, Acadèmia Valenciana de la Llengua.
• “centre” in Diccionari català-valencià-balear, Antoni Maria Alcover and Francesc de Borja Moll, 1962.

Esperanto

Adverb

centre

1. centrally

French

Etymology

Borrowed from Latin centrum, from Ancient Greek ??????? (kéntron, “sharp point”).

Pronunciation

• IPA^(key): /s??t?/
  • (FR) IPA^(key): [s??t?], [s??t?]

Noun

centre m (plural centres)

1. centre, center
2. (soccer) cross, specifically one directed into the penalty area

Derived terms

Related terms

Further reading

• “centre” in Trésor de la langue française informatisé (The Digitized Treasury of the French Language).

Anagrams

• créent
• récent

Portuguese

Verb

centre

1. first-person singular present subjunctive of centrar
2. third-person singular present subjunctive of centrar
3. first-person singular imperative of centrar
4. third-person singular imperative of centrar

Spanish

Verb

centre

1. Formal second-person singular (usted) imperative form of centrar.
2. First-person singular (yo) present subjunctive form of centrar.
3. Formal second-person singular (usted) present subjunctive form of centrar.
4. Third-person singular (él, ella, also used with usted^?) present subjunctive form of centrar.