The candela is the unit of luminous intensity in the International System of Units (SI). It measures luminous power per unit solid angle emitted by a light source in a particular direction. Luminous intensity is analogous to radiant intensity, but instead of simply adding up the contributions of every wavelength of light in the source's spectrum, the contribution of each wavelength is weighted by the luminous efficiency function, the model of the sensitivity of the human eye to different wavelengths, standardized by the CIE and ISO. A common wax candle emits light with a luminous intensity of roughly one candela. If emission in some directions is blocked by an opaque barrier, the emission would still be approximately one candela in the directions that are not obscured.
Hanukkah is a Jewish festival commemorating the recovery of Jerusalem and subsequent rededication of the Second Temple at the beginning of the Maccabean Revolt against the Seleucid Empire in the 2nd century BCE.
The menorah is a seven-branched candelabrum that is described in the Hebrew Bible and in later ancient sources as having been used in the Tabernacle and in the Temple in Jerusalem.
A candle is an ignitable wick embedded in wax, or another flammable solid substance such as tallow, that provides light, and in some cases, a fragrance. A candle can also provide heat or a method of keeping time. Candles have been used for over two millennia around the world, and were a significant form of indoor lighting until the invention of other types of light sources. Although electric light has largely made candle use nonessential for illumination, candles are still commonly used for functional, symbolic and aesthetic purposes and in specific cultural and religious settings.
An oil lamp is a lamp used to produce light continuously for a period of time using an oil-based fuel source. The use of oil lamps began thousands of years ago and continues to this day, although their use is less common in modern times. They work in the same way as a candle but with fuel that is liquid at room temperature, so that a container for the oil is required. A textile wick drops down into the oil, and is lit at the end, burning the oil as it is drawn up the wick.
A chandelier is an ornamental lighting device, typically with spreading branched supports for multiple lights, designed to be hung from the ceiling. Chandeliers are often ornate, and they were originally designed to hold candles, but now incandescent light bulbs are commonly used, as well as fluorescent lamps and LEDs.
A candlestick is a device used to hold a candle in place. Candlesticks have a cup or a spike ("pricket") or both to keep the candle in place. Candlesticks are sometimes called "candleholders".
Candlepower is a unit of measurement for luminous intensity. It expresses levels of light intensity relative to the light emitted by a candle of specific size and constituents. The historical candlepower is equal to 0.981 candelas. In modern usage, candlepower is sometimes used as a synonym for candla.
A Hanukkah menorah, or hanukkiah, is a nine-branched candelabrum lit during the eight-day Jewish holiday of Hanukkah. Eight of the nine branches hold lights that symbolize the eight nights of the holiday; on each night, one more light is lit than the previous night, until on the final night all eight branches are ignited. The ninth branch holds a candle, called the shamash, which is used to light the other eight.
A torchère, also known as a standard lamp, torch lamp or floor lamp, is a lamp with a tall stand of wood or metal. Originally, torchères were candelabra, usually with two or three lights. When it was first introduced in France towards the end of the 17th century the torchère mounted one candle only, and when the number was doubled or tripled the improvement was regarded almost as a revolution in the lighting of large rooms.
A girandole is an ornamental branched candle holder consisting of several lights that may be on a stand or mounted on the wall, either by itself or attached to a mirror. Girandole has been used to refer to a number of different objects and designs; the early girandoles were candelabras decorated with crystals looking like a chandelier on a stand, and at one time it was also used to describe all candelabras and chandeliers, with or without crystals. Girandole first appeared in France in the mid-17th century as a luxurious object for lighting. In the 18-century, a girandole may be attached to a mirror, and large wall-mounted girandoles with a mirror incorporated became fashionable in England in the second half of the 18th century. A form of girandole backed with a round convex mirror was also popular in the United States in the early 19th century.
The kinara is a seven-branched candleholder used in Kwanzaa celebrations in the United States.
The ceremonial use of lights occurs in liturgies of various Christian Churches, as well as in Jewish, Zoroastrian, and Hindu rites and customs.
Altar candles are candles set on or near altars for religious ceremonies. Various religions have regulations or traditions regarding the number and type of candles used, and when they are lit or extinguished, for example during the liturgies.
Candle holder or candleholder may refer to:
A chandlery was originally the office in a wealthy medieval household responsible for wax and candles, as well as the room in which the candles were kept. It could be headed by a chandler. The office was subordinated to the kitchen, and only existed as a separate office in larger households.
Jewish ceremonial art is objects used by Jews for ritual purposes. Because enhancing a mitzvah by performing it with an especially beautiful object is considered a praiseworthy way of honoring God's commandments, Judaism has a long tradition of commissioning ritual objects from craftsmen and artists.
Henry Northey Hooper was a 19th-century American manufacturer and merchant of decorative lighting, Civil War artillery, and bells and chimes. He was a Boston politician and foundry owner and in his firm he cast the first life-size bronze statue in the United States.
Triple candlestick may refer to:
