A Christmas tree is one of the most popular traditions associated with the celebration of Christmas. It is normally an evergreen coniferous tree that is brought into a home or used in the open, and is decorated with Christmas lights and colourful ornaments during the days around Christmas. Christmas tree - Dates. Traditionally, Christmas trees were not brought in and decorated until Christmas Eve (24 December), and then removed the day after twelfth night (i.e., 6 January); to have a tree up before or after ...

Including:

• Christmas tree - Dates
• Christmas tree - Types of trees used
• Christmas tree - Natural trees
• Christmas tree - Artificial trees
• Christmas tree - Decoration and ornaments
• Christmas tree - Tree mats and skirts
• Christmas tree - Flocking
• Christmas tree - Care and disposal of natural trees
• Christmas tree - History
• Christmas tree - Name controversy
• Christmas tree - Usage controversy

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Christmas tree, Christmas tree - Types of trees used, Christmas tree - Natural trees, Christmas tree - Artificial trees, Christmas tree - Decoration and ornaments, Christmas tree - Tree mats and skirts, Christmas tree - Flocking, Christmas tree - Care and disposal of natural trees, Christmas tree - History, Christmas tree - Name controversy, Christmas tree - Usage controversy

Read more here: » Christmas tree: Encyclopedia II - Christmas tree - History

In petroleum extraction, a christmas tree is an assembly of valves, spools and fittings for an oil well, named for its resemblance to a decorated tree. The function of a christmas tree is to both prevent the release of oil or gas from an oil well into the environment and also to direct and control the flow of formation fluids from the well. When the well is ready to produce oil or gas, valves are opened and the release of the forma ...

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• Christmas tree oilfield - Manufacturers

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Christmas (literally, the Mass of Christ) is a traditional holiday observed in much of the world on 25 December, or on 7 January in most Eastern Orthodox Churches. It is celebrated by most Christians to mark the birth of Jesus, which is believed to have occurred in Bethlehem in the Roman Province of Judea between 6 BC and AD 6. Christ's birth, or nativity, was said by his followers to fulfill the prophecies of Judaism that a messiah would come, from the house of David, to redeem the world from sin. Interestingly, early Christians plac ...

Including:

• Christmas - The Nativity
• Christmas - Theories on the origins of Christmas
• Christmas - When was the original Christmas?
• Christmas - Dates of celebration
• Christmas - Regional customs and celebrations
• Christmas - Religious customs and celebrations
• Christmas - Secular customs
• Christmas - Santa Claus and other bringers of gifts
• Christmas - Declaration of Christmas Peace
• Christmas - Christmas cards
• Christmas - Decorations
• Christmas - Social aspects and entertainment
• Christmas - Christmas Carol media
• Christmas - Christmas in the arts and media
• Christmas - Economics of Christmas
• Christmas - Notes

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A tree can be defined as a large, perennial, woody plant. Though there is no set definition regarding minimum size, the term generally applies to plants at least 6 m (20 ft) high at maturity and, more importantly, having secondary branches supported on a single main stem or trunk (see shrub for comparison). Compared with most other plant forms, trees are long-lived. A few species of trees grow to 100 m tall, an ...

Including:

• Tree - Classifications
• Tree - Morphology
• Tree - Champion trees
• Tree - Major tree genera
• Tree - Flowering plants Magnoliophyta; angiosperms
• Tree - Conifers Pinophyta; softwood trees
• Tree - Ginkgos Ginkgophyta
• Tree - Cycads Cycadophyta
• Tree - Ferns Pterophyta
• Tree - Life stages
• Tree - Bibliography

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An agar plate is a sterile Petri dish that contains agar plus nutrients, and is used to culture microorganisms. Generally, selecting substances are also added to the plate, such as antibiotics. Agar plate - Preparation of agar plates. Most types of agar are purchased pre-prepared in powder form, although it is possible to buy a base agar mix and add nutrients separately. They are dissolved in distilled water as per their instructions. It is usually necessary to gently boil the mixture to facilitate dissolvi ...

Including:

• Agar plate - Preparation of agar plates
• Agar plate - Inoculation techniques
• Agar plate - Streaking
• Agar plate - Christmas tree
• Agar plate - Stab culture
• Agar plate - Preparing a lawn
• Agar plate - Incubation of agar plates
• Agar plate - Types of agar plates
• Agar plate - Safe disposal of agar plates

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Christmas lights (also sometimes called fairy lights or twinkle lights) are strands of electric lights used to decorate homes and Christmas trees during the holiday season, mostly in the West. Christmas lights come in a dazzling array of configurations and colors. Christmas lights - History. The first known electrically-illuminated Christmas tree was the creation of Edward H. Johnson, an associate of inventor Thomas Edison. While he was vice president of the Edison Electric Light Company, a pr ...

Including:

• Christmas lights - History
• Christmas lights - Types
• Christmas lights - Safety
• Christmas lights - House lights
• Christmas lights - Trivia

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Christmas Eve, December 24, the day before Christmas Day, is treated to a greater or a lesser extent in most Christian societies as part of the Christmas festivities. Christmas Eve is the traditional day to set up the Christmas tree, but as the Christmas season has been extended several weeks back (to Thanksgiving in the United States), many trees will have been set up for weeks. In nearly all countries, Christmas Eve is a shortened business day. For example, (when it falls on a weekday) most financial markets close by early afternoon, and nearly all retail and commercial businesses are closed by ...

Including:

• Christmas Eve - Declaration of Christmas Peace

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The Christmas Ham is an ancient traditional ingredient in the Scandinavian Christmas celebration (Yule) and remains as important as the Christmas tree. Before the arrival of Christianity, a pig was sacrificed to the god Freyr at the Yule celebrations and eaten (see Blót). This tradition of butchering a pig at Christmas continued after the Christianization and survives as several dishes (sausages and bread dipped in pork fat) of which the Christmas ham is the most central. Among commoners, the Christmas ham was usually saved for the summ ...

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Christmahanukwanzakah Christmahanukwanzakah is a mix of Christmas:a Christian holiday, Hanukkah:a Jewish holiday, and Kwanzaa:an African holiday. Many people use the Christmahanukwanzakah as a joke. Others take it as anythig but a joke. Some people follow eight days of Christmas with one present on each day and a Kwanzaa shaft and candles along with a Christmas tree. Others celebrate Kwanzaa's gift giving principles with a menorah and Ch ...

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The "Christmas truce" began on Christmas Eve, December 24, 1914, during World War I, when German troops began decorating the area around their trenches in the region of Ypres, Belgium, for Christmas. They began by placing candles on trees, then continued the celebration by singing Christmas carols, namely Stille Nacht (Silent Night). The British troops in the trenches across from them responded by singing English carols. The two sides continued by shouting Christmas greetings to each other. Soon thereafter, there ...

Including:

• Christmas truce - Legacy

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Christmas ornaments are decorations (usually made of glass, metal, wood or ceramics) that are used to festoon a Christmas tree. Ornaments take many different forms, from a simple round ball to highly artistic designs. Ornaments are almost always reused year after year, rather than purchased annually, and family collections often contain a combination of commercially produced ornaments and decorations created by family members. Santa Claus is a commonly used figure. Candy canes, frui ...

Including:

• Christmas ornament - Notes

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A witch ball is a hollow sphere of plain or striated glass hung in cottage windows in the 18th century to ward off evil spirits, but later often posted on top of a vase or suspended by a cord (as from the mantelpiece or rafters) for a decorative effect. It may sometimes measure as large as 7 inches (18 cm) in diameter. The witch ball is traditionally, but not always, green in color. Sometimes the balls are made of wood, grass, or twigs instead of glass. The modern Christmas ornament ball is descended from the witch ball. According to an ancient tale, the ornament was originally placed on the tree to dispel a visito ...

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Well head is a term used in the oil and gas industry to describe the equipment located at the top of a well. The usual equipment is a control or choke valve to control oil/gas flow and pressure and temperature gauges. Some well heads can also include equipment to operate downhole valves or may include equipment to provide artificial lift such as a beam pump, electrical submersible pump. During the drilling phase for a well, the well head equipment is called a Christmas tree so named from the various sprouting bran ...

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Both natural and artificial trees are used as Christmas trees. Christmas tree - Natural trees. The best species for use are species of fir (Abies), which have the major benefit of not shedding the needles when they dry out, as well as good foliage colour and scent; but species in other genera are also used. Commonly used species in northern Europe (including the UK) are: Silver Fir Abies alba (the original species) Nordmann Fir Abies nordmanniana (as in the photo) ...

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Christmas tree, Christmas tree - Types of trees used, Christmas tree - Natural trees, Christmas tree - Artificial trees, Christmas tree - Decoration and ornaments, Christmas tree - Tree mats and skirts, Christmas tree - Flocking, Christmas tree - Care and disposal of natural trees, Christmas tree - History, Christmas tree - Name controversy, Christmas tree - Usage controversy

Read more here: » Christmas tree: Encyclopedia II - Christmas tree - Types of trees used

Tinsel and several types of garland or ribbon are commonly used to decorate a Christmas tree. Delicate mould-blown and painted coloured glass Christmas ornaments were a specialty of Czech glass factories from the late 19th century, and have since become a large industry, complete with famous-name designers. Lighting with candles or electric lights (fairy lights) is commonly done, and a tree topper completes the ensemble. Strands of tinsel may be hung in groups from longer branches to simulate icicles, though this trend has gradually fallen o ...

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Christmas tree, Christmas tree - Types of trees used, Christmas tree - Natural trees, Christmas tree - Artificial trees, Christmas tree - Decoration and ornaments, Christmas tree - Tree mats and skirts, Christmas tree - Flocking, Christmas tree - Care and disposal of natural trees, Christmas tree - History, Christmas tree - Name controversy, Christmas tree - Usage controversy

Read more here: » Christmas tree: Encyclopedia II - Christmas tree - Decoration and ornaments

These tips will ensure the tree will stay fresh for several weeks. When transporting the tree, protect it from wind and road salts by covering it with plastic. If decoration is not planned immediately, store the tree in a cool environment protected from the sun and wind. If possible, the night before decorating, bring the tree into a partially heated area to allow it to adjust gradually to temperature changes. Before taking your tree inside, gently bang the tree on its stump several times to dislodge any loose ...

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Christmas tree, Christmas tree - Types of trees used, Christmas tree - Natural trees, Christmas tree - Artificial trees, Christmas tree - Decoration and ornaments, Christmas tree - Tree mats and skirts, Christmas tree - Flocking, Christmas tree - Care and disposal of natural trees, Christmas tree - History, Christmas tree - Name controversy, Christmas tree - Usage controversy

Read more here: » Christmas tree: Encyclopedia II - Christmas tree - Care and disposal of natural trees

Definition and meaning of Christmas tree coral:

Christmas tree coral - a recently discovered (2002) deep water black coral (Antipathes dendrochristos) observed on deep rocky banks off southern California.The species, which was described in 2005, forms bushy colonies that grow up to to three meters in height and width, and resembles ornamented Christmas trees. Like many other deep water corals, Christmas tree corals support a diverse biological assemblage

(Source: US National Oceanic and Atmospheric Administration (NOAA) )

Also see these pages: Oceanography, Oceanography Sitemap, Coral Reef, Environment, Sustainability, Climate Change,

For more dictionary entries, see » Christmas Tree Dictionary

Christmas Tree

• To dream of a Christmas tree, denotes joyful occasions and auspicious fortune. To see one dismantled, foretells some painful incident will follow occasions of festivity.

Source: 10 000 Dream Interpretations, by Gustavus Hindman Miller

(See also: Dream Archives, Meaning of Dreams, Dream Interpretation, Dream Dictionary, Dream Dictionary - Christmas Tree, Dreams - Meaning of Dream about Christmas Tree, Dream Interpretation Christmas Tree)

A plethora of customs with either secular, religious, or national aspects surround Christmas, varying from country to country. Most of the familiar traditional practices and symbols of Christmas originated in Germany, including the now omnipresent Christmas tree, the Christmas ham, the Yule Log, holly, mistletoe, and the giving of presents to friends and relatives. These practices and symbols were adapted or appropriated by Christian missionaries from the earlier Germanic pagan midwinter holiday of Yule. This celebration of the winter solsti ...

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Christmas, Christmas - The Nativity, Christmas - The Origins of Christmas, Christmas - When was the original Christmas?, Christmas - Dates of celebration, Christmas - Customs and celebrations, Christmas - Religious customs and celebrations, Christmas - Secular customs, Christmas - Christmas Carol media, Christmas - Christmas in the arts and media, Christmas - Economics of Christmas, Christmas - Notes

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