1. n. The core, center, or essence of an object or system.
the kernel of an argument
2. n. (botany) The central (usually edible) part of a nut, especially once the hard shell has been removed.
3. n. (botany) A single seed or grain, especially of corn or wheat.
4. n. (botany, US) The stone of certain fruits, such as peaches or plums.
5. n. A small mass around which other matter is concreted; a nucleus; a concretion or hard lump in the flesh.
6. n. (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.
7. n. (computing) The core engine of any complex software system.
8. n. (calculus) A function used to define an integral transform.
The Dirichlet kernel convolved with a function yields its Fourier series approximation.
9. n. (mathematics) A set of pairs of a mapping's domain which are mapped to the same value.
10. n. (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&
If a function is continuous then its kernel is a closed set.
11. n. (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. n. (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. n. (slang) The human clitoris.
14. n. (chemistry) The nucleus and electrons of an atom excluding its valence electrons.
1. n. The harvested seeds of various grass food crops eg: wheat, corn, barley.
We stored a thousand tons of grain for the winter.
2. n. Similar seeds from any food crop, eg buckwheat, amaranth, quinoa.
3. n. A single seed of grass food crops.
a grain of wheat
grains of oat
4. n. The crops from which grain is harvested.
The fields were planted with grain.
5. n. A linear texture of a material or surface.
Cut along the grain of the wood.
He doesn't like to shave against the grain.
6. n. A single particle of a substance.
a grain of sand
a grain of salt
7. n. A very small unit of weight, in England equal to 1/480 of an ounce troy, 0.0648 grams or, to be more exact, 64.79891 milligrams (0.002285714 avoirdupois ounce). A carat grain or pearl grain is 1/4 car
8. n. A former unit of gold purity, also known as carat grain, equal to (frac, 4) "carat" (karat).
9. n. (materials) A region within a material having a single crystal structure or direction.
10. n. A reddish dye made from the coccus insect, or kermes; hence, a red color of any tint or hue, as crimson, scarlet, etc.; sometimes used by the poets as equivalent to Tyrian purple.
11. n. The hair side of a piece of leather, or the marking on that side.
12. n. (in the plural) The remains of grain, etc., after brewing or distillation; hence, any residuum. Also called draff.
13. n. (botany) A rounded prominence on the back of a sepal, as in the common dock.
14. n. Temper; natural disposition; inclination.
15. n. (photography, videography) Visual texture in processed photographic film due to the presence of small particles of a metallic silver, or dye clouds, developed from silver halide that have received eno
16. v. To feed grain to.
17. v. To make granular; to form into grains.
18. v. (intransitive) To form grains, or to assume a granular form, as the result of crystallization; to granulate.
19. v. To texture a surface in imitation of the grain of a substance such as wood.
20. v. (tanning) To remove the hair or fat from a skin.
21. v. (tanning) To soften leather.
22. v. To yield fruit.
23. n. A branch of a tree; a stalk or stem of a plant.
24. n. A tine, prong, or fork.
25. n. One of the branches of a valley or river.
26. n. An iron fish spear or harpoon, with a number of points half-barbed inwardly.
27. n. A blade of a sword, knife, etc.
28. n. (founding) A thin piece of metal, used in a mould to steady a core.
1. n. (archaic) Prayer, later especially with a rosary.
2. n. Each in a string of small balls making up the rosary or paternoster.
3. n. A small round object.
4. n. A small round object with a hole to allow it to be threaded on a cord or wire.
5. n. A small round solid object.
6. n. A small drop of water or other liquid.
beads of sweat
7. n. A bubble, in spirits.
8. n. A small round ball at the end of a barrel of a gun used for aiming.
She drew a bead on the target and fired.
9. n.A ridge, band, or molding.:
10. n. A rigid edge of a tire that mounts it on a wheel; tire bead.
11. n. (architecture) A narrow molding with semicircular section.
12. n. Knowledge sufficient to direct one's activities to a purpose.
We now have a bead on the main technical issues for the project
13. n. (chemistry, dated) A glassy drop of molten flux, as borax or microcosmic salt, used as a solvent and color test for several mineral earths and oxides, as of iron, manganese, etc., before the blowpipe.
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