Nut

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nut,

in botany, a dry one-seeded fruitfruit,
matured ovary of the pistil of a flower, containing the seed. After the egg nucleus, or ovum, has been fertilized (see fertilization) and the embryo plantlet begins to form, the surrounding ovule (see pistil) develops into a seed and the ovary wall (pericarp) around the
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 which is indehiscent (i.e., does not split open along a definite seam at maturity). Among the true nuts are the acorn, chestnut, and hazelnut. Commonly the word nut is used for any seed or fruit having an edible kernel surrounded by a hard or brittle covering. Thus the peanut pod is actually a legume, the Brazil nut is a seed enclosed with others in a capsule, and the almond is part of a drupe, a type of fruit that includes olives and peaches. Others that are not botanically true nuts are the cashew, coconut, litchi, pistachio, and walnut. Most nuts have a high content of oil; in addition they may contain substantial amounts of protein, carbohydrates, minerals, and vitamins. Although nuts were originally harvested from wild trees, this century has seen the increasing cultivation of nut orchards—especially in warmer climates—for commercial production both for food and for byproducts.

Bibliography

See J. G. Woodroof, Tree Nuts (2 vol., 1967); R. A. Jaynes, ed., Handbook of North American Nut Trees (rev. ed. 1973).


Nut

(no͝ot, nŭt), in Egyptian religion, sky-goddess. She was the sister-wife of the earth god Geb, to whom she bore Osiris, Isis, Set, and Nephthys. She was sometimes represented with her hands and feet on the earth and the curve of her body forming the vault of heaven.

Nut

 

part of a threaded connection or screw gear, with a threaded hole. A fastening nut in a threaded connection is screwed on the end of a bolt, a stud, the threaded part of a shaft, or an axle to prevent axial shifting of the parts mounted on the axle, such as pulleys or antifriction bearings. The use of locknuts prevents self-unscrewing. In screw gears, the nut has a greater length, which makes possible the maintenance of a small amount of pressure on the surface of the thread, the provision of reliable lubrication, and the prevention of rapid wear and jamming. These nuts are used in gears with motion, power, and load screws, such as those in lathe feeding mechanisms, measuring machines, and lifting jacks. The nuts for rolling-friction screw gears are a special type of nut in which tiny balls roll back and forth along the thread, thus reducing the wear of parts and increasing the efficiency of the gear.


Nut

 

an indehiscent, one-seeded syncarpous lower fruit with a woody pericarp (for example, the fruit of Corylus). The seeds of some pines (for example, Pinus cembra), the drupe of the English walnut, and the dry drupe of the coconut palm are incorrectly called nuts.

What does it mean when you dream about a nut?

Nuts symbolize the “squirreling away” of ideas or of one’s creativity for a more opportune time for receiving recognition and appreciation. They also represent the “kernel” or the “meat” of an idea or situation.

nut

[nət]
(botany)
A fruit which has at maturity a hard, dry shell enclosing a kernel consisting of an embryo and nutritive tissue.
An indehiscent, one-celled, one-seeded, hard fruit derived from a single, simple, or compound ovary.
(design engineering)
An internally threaded fasterner for bolts and screws.

nut

common types of nuts
A short metal block having a central hole which is threaded to receive a bolt, screw, or other threaded part. (See illustraion p. 670.)

nut

1. a dry one-seeded indehiscent fruit that usually possesses a woody wall
2. the edible kernel of such a fruit
3. a small square or hexagonal block, usu. metal, with a threaded hole through the middle for screwing on the end of a bolt
4. Mountaineering a variously shaped small metal block, usually a wedge or hexagonal prism (originally an ordinary engineer's nut) with a wire or rope loop attached, for jamming into a crack to provide security
5. Music
a. the ledge or ridge at the upper end of the fingerboard of a violin, cello, etc., over which the strings pass to the tuning pegs
b. the end of a violin bow that is held by the player
www.treenuts.org
www.users.globalnet.co.uk/~aair/nuts.htm
www.cooks.com
References in classic literature ?
As many times as there are nuts on that palm," said Mowgli, who, naturally, could not count.
When she had washed up the next evening she bit the second nut, and there was a still more beautiful dress inside.
Another day Chanticleer and Partlet agreed to go again to the mountains to eat nuts; and it was settled that all the nuts which they found should be shared equally between them.
While Mombi was thus occupied Tip strolled back, with his pockets full of nuts, and discovered the old woman standing beside his man and apparently not the least bit frightened by it.
Now let 's have the nuts,' I said, groping for the paper bag.
Tea was despatched rapidly, therefore, and the party gathered round the wide hearth in the dining-room, where the nuts were soon dancing gaily on hot shovels or bouncing out among the company, thereby causing delightful panics among the little ones.
Over to those trees, to see if I can find some fruit or nuts," answered Dorothy.
It was very exciting at that season to roam the then boundless chestnut woods of Lincoln -- they now sleep their long sleep under the railroad -- with a bag on my shoulder, and a stick to open burs with in my hand, for I did not always wait for the frost, amid the rustling of leaves and the loud reproofs of the red squirrels and the jays, whose half-consumed nuts I sometimes stole, for the burs which they had selected were sure to contain sound ones.
His father rose a little higher still, and looking at him as though curious to know if he were quite resolved and earnest, dropped gently down again, and said in the calmest voice--eating his nuts meanwhile,
His good nature had taken off the keenest edge of her suffering, and nuts with cowslip wine began to assert their legitimate influence.
A squirrel, from the lofty depths of his domestic tree, chattered either in anger or merriment -- for the squirrel is such a choleric and humorous little personage, that it is hard to distinguish between his moods -- so he chattered at the child, and flung down a nut upon her bead.
This here one he's called Nut an' this here other one's called Shell.