Kernel

Noun

 * 1) The core, center, or essence of an object or system.
 * 2) The central (usually edible) part of a nut, especially once the hard shell has been removed.
 * 3) A single seed or grain, especially of corn or wheat.
 * 4)  The central part of many computer operating systems which manages the system's resources and the communication between hardware and software components.
 * 5) 🇺🇸 The stone of certain fruits, such as peaches or plums.
 * 6)  Those elements, in the domain of a function, which the function maps to zero.

Antonyms

 * support

Derived terms

 * kernel function
 * kernelization
 * kernel of truth
 * kernel hacker
 * kernel space

Thesaurus
Brazil nut, acorn, almond, almond paste, amande, amande douce, amandes mondees, axiom, axis, bench mark, berry, bird seed, bitter almond, blanched almonds, burnt almond, cardinal point, center, center of action, center of gravity, centroid, centrum, chief thing, climax, core, cornerstone, crisis, critical point, crux, dead center, diameter, diaphragm, distillate, distillation, elixir, epicenter, equator, essence, essential, essential matter, fabric, flaxseed, flower, focus, fruit, fundamental, gist, goober, goober pea, grain, gravamen, great point, ground-pea, groundnut, hayseed, heart, high point, hub, hypostasis, important thing, inner essence, interior, issue, keystone, landmark, linseed, main point, main thing, marrow, material, material point, matter, mean, meat, median, medium, medulla, metacenter, middle, midmost, midriff, midst, milestone, nave, navel, nigger toe, noisette, noix, nub, nubbin, nucleus, nut, nuts and bolts, omphalos, peanut, peanut butter, pip, pit, pith, pivot, postulate, principle, quid, quiddity, quintessence, real issue, salient point, salted peanuts, sap, seed, sine qua non, soul, spirit, stone, storm center, stuff, substance, substantive point, sum and substance, sweet almond, the bottom line, the nitty-gritty, the point, thick, thick of things, turning point, umbilicus, upshot, waist, waistline, zone

Etymology
From cyrnel:, diminutive of corn:

Translations

 * Italian: ,
 * Korean:


 * Portuguese:
 * Scottish Gaelic: eitean, cridhe


 * German:
 * Italian:


 * Scottish Gaelic: eitean


 * Italian:


 * Scottish Gaelic: sìol


 * Czech:
 * Danish: kerne
 * Finnish: käyttöjärjestelmäydin, kerneli
 * German: Betriebssystemkern
 * Greek:


 * Italian:
 * Polish:
 * Russian:
 * Spanish:


 * Czech:
 * Greek: ,


 * Italian:
 * Russian: косточка


 * Czech:
 * Danish: kerne
 * Finnish:


 * Italian:
 * Russian: