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nut, in botany
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
..... Click the link for more information. 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.
See J. G. Woodroof, Tree Nuts (2 vol., 1967); R. A. Jaynes, ed., Handbook of North American Nut Trees (rev. ed. 1973).
Nut, in Egyptian religion
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.
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.
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.