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, lychee, 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 periodicals archive ?
Effects of Brazil nut consumption on selenium status and cognitive performance in older adults with mild cognitive impairment: a randomized controlled pilot trial.
Now, strong links between nuts and peanuts and better health have also been found in a major study of people from lower socioeconomic backgrounds and varied ethnic groups -- blacks, whites and Asians -- many of whom had serious risk factors for premature death, such as smoking, obesity, high blood pressure and diabetes.
studies have related nuts with cardiovascular protection but there is limited evidence from the Eastern Mediterranean Region."
The oils extracted from tree nuts such as almond oil, walnut oil and others are being extensively used in cosmetic industry for making various skincare products such as creams, lotions and others.
The caffeine in kola nuts may act as a bronchodilator, which means it opens the airways to make breathing easier.
"Results showed that mothers who reported the highest intake of nuts during their first trimester had children who did better on cognitive tests at one-and-a-half, five and eight years of age.
Chen said that COA will draft an act on betel nuts similar to the Tobacco Hazards Prevention Act to discourage consumption.
On the basis of health benefits regular consumption of nuts are responsible to minimize the threat of coronary heart disease (CHD), cancer, type-2diabetes, inflammation and several other chronic diseases.
One of the most common and simplest solution to problems of vibration loosening of threaded fasteners is by use of a conventional locking nut or half nut.
Aviation minister Baroness Liz Sugg outlined plans in December to crack down on the sale of nuts on flights after the death of a 15 year old girl on a British Airways flight in 2016.
The Switzerland-backed non-governmental organisation, HEKS/EPER, announced last year it launched a five-year $7.8 million development project for cashew nuts in Cambodia, with the goal of improving the livelihoods of rural families.