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name for a palmpalm,
common name for members of the Palmae, a large family of chiefly tropical trees, shrubs, and vines. Most species are treelike, characterized by a crown of compound leaves, called fronds, terminating a tall, woody, unbranched stem.
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 (Phoenix dactylifera) and for its edible fruit. Probably native to Arabia and North Africa, it has from earliest times been a principal food in many desert and tropical regions. For some 4,000 years it has been grown near the Tigris and Euphrates rivers. It is cultivated in many other warm regions, including parts of the SW United States and Mexico.

The trees sometimes reach a height of 100 ft (30.5 m) and yield fruit for generations. Staminate (male) and pistillate (female) flowers are borne on separate trees, and pollination of those grown commercially is usually done by hand. Seedless dates may be produced without pollination but they are inferior. Heavy, pendant clusters of the sweet, nutritious fruits are produced; the yield after maturity (10 to 15 years) is usually from 100 to 200 lb (45–90 kg) or more per tree annually. Each fruit is 1 to 3 in. (2.54–7.6 cm) long, reddish brown or yellowish brown, and somewhat cylindrical or oblong. When ripe, the bunches of fruit are cut intact from the palm and matured in a warm place.

In the Old World, a sugar and a fermented drink are made from the sap of the date palm and other species of Phoenix, and the seeds are sometimes roasted and used as a coffee substitute or pressed for oil, leaving a residue useful for stock feed. The wood of the trunk is often used in construction and the leaves are used for weaving mats and baskets.

Dates are classified in the division MagnoliophytaMagnoliophyta
, division of the plant kingdom consisting of those organisms commonly called the flowering plants, or angiosperms. The angiosperms have leaves, stems, and roots, and vascular, or conducting, tissue (xylem and phloem).
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, class Liliopsida, order Arecales, family Palmae.

The Columbia Electronic Encyclopedia™ Copyright © 2013, Columbia University Press. Licensed from Columbia University Press. All rights reserved.
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.



the fruit of the date palm. Dates are eaten fresh or dried and are used to make various dishes. They are a major food in the Arabic countries, where no fewer than 100 dishes are made from them. They contain 62–71 percent sugar, 1–2.5 percent protein, and 2.5 percent fat. Depending on the variety of date palm, the fruits dry out slightly or remain soft.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.


(convention, data)
A string unique to a time duration of 24 hours between 2 successive midnights defined by the local time zone. The specific representation of a date will depend on which calendar convention is in force; e.g., Gregorian, Islamic, Japanese, Chinese, Hebrew etc. as well as local ordering conventions such as UK: day/month/year, US: month/day/year.

Inputting and outputting dates on computers is greatly complicated by these localisation issues which is why they tend to operate on dates internally in some unified form such as seconds past midnight at the start of the first of January 1970.

Many software and hardware representations of dates allow only two digits for the year, leading to the year 2000 problem.

Unix manual page: date(1), ctime(3).
This article is provided by FOLDOC - Free Online Dictionary of Computing (
References in periodicals archive ?
Dateable, continuous, growth records, obtained from measurements of annually banded massive coral skeletons, are our only means for assessing past responses of calcification to environmental gradients and changes.
The earliest dateable text within the collection was printed in 1508 and it is on the basis of this evidence that the current quincentenary is being celebrated.
Ronny Reich of Haifa University, the leading archeologist at the David City dig, does not believe that the tunnel leads to King David's baths and said that only when the dig uncovers dateable artifacts will they be able to posit what lies at the other end.
There are guys on campus you would see as dateable, but you have to realize that the ratio is like infinity to 1.
This material is potentially dateable. These engravings are also superimposed by more recent yellow-painted motifs.
Evidence of past storms can be found in back-barrier sediments: When a storm washes sand over the dunes and into back bays and marshes, it forms dateable layers in the muddy sediments.
His interest in fashion and jewelry design creates an artistic side to the accomplished athlete, an attribute that makes him a more down-to-earth, boy-next-door dateable candidate for adoring fans around the world.
Such a history does not seek stable sequences of dateable events, but rather seeks to attend to the significant shifts that come about when people and things interact in different ways.
In January 1820, Carlile's correspondent Ethelinda Wilson ("a woman and a wife") addressed herself "To Females in general; and to those of Manchester and its vicinity in particular" reminding them of "female heroism" and that "Our mothers, our reverend mothers, cultivated the soil in which this universal blessing [of liberty] grew." (21) Obscure as she was, Wilson's gendering of trans-generational politics is indicative of the beginnings of a new mass movement in female political consciousness amongst working class women which is quite accurately dateable to late 1819/early 1820.
The first dateable description, then, of the logo as an airstrip appeared in the July 1967 issue of Readymix Report: Australiawide [sic] interest has developed in a Readymix forward operations airstrip on the Nullarbor Plain in the form of the Group's traditional motif.
They are filming an episode of Would Like To Meet, the BBC makeover series that takes single no-hopers and transforms them into attractive, confident sex gods and goddesses - well, dateable beings at least.
The Thomist must leave all the particular, dateable assumptions of the powers of lower forms by higher forms as a brute, inexplicable fact.