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halo

 
(') pronunciation
n., pl., -los, or -loes.
    1. A circular band of colored light around a light source, as around the sun or moon, caused by the refraction and reflection of light by ice particles suspended in the intervening atmosphere.
    2. Something resembling this band.
  1. A luminous ring or disk of light surrounding the heads or bodies of sacred figures, such as saints, in religious paintings; a nimbus.
  2. The aura of majesty or glory surrounding a person or thing that is regarded with reverence, awe, or sentiment.
tr.v., -loed, -lo·ing, -loes.
To encircle with or as if with a halo.

[Medieval Latin halō, from accusative of Latin halōs, from Greek, threshing floor, disk of or around the sun or moon.]


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has the plural form haloes.

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Either of two large circles of light surrounding the Sun or Moon that result from therefraction of sunlight by small, hexagonal ice crystals falling slowly through the air. Light passing through the side faces of a hexagonal prism is refracted by an amount that depends on the orientation of the crystal; but a collection of many crystals refracts light passing through two side faces by an average angle of about 22°. If such crystals tumble randomly as they fall, they will produce the 22° halo, a circle around the Sun with an angular radius of 22°. Rays that pass through a side face and an end face of the prism similarly produce the larger and fainter 46° halo. The halos sometimes have a red inner edge and otherwise appear nearly white.

Many similar effects result from rays passing through ice crystals that assume special orientations as they fall, and from rays undergoing combination of reflection and refraction in an ice crystal. Usually, all of these effects are referred to as halo effects. See also Meteorological optics; Sun dog.


The halo, usually represented as a luminous figure around the head of a god or holy person, appears in the iconography of a number of religious traditions. The indigenous civilizations of Central America depict agrarian gods with golden crowns or halos, suggesting an association of the halo with the sun. This is clearest in the Inca god, Viracocha, who wears a tiara that is also a sun. In other traditions, the connection to light symbolism is much more general, pointing to intellect, knowledge, or enlightenment. Within some Mahayana Buddhist texts, for example, bodhisattvas are described as having halos studded with 500 Buddhas, each attended by numberless gods. In this way, the halo points to the transcendent nature of the bodhisattva.

The halo is used in Hellenistic representations of gods and goddesses and those associated with them. Similarly, in Christianity, halos around the head of a figure mark it as divine or saintly. In the third and fourth centuries, the halo or nimbus (Latin: ‘cloud’ or ‘mist’) was used only for Christ and the lamb. In the fifth century and after, it was extended to the Virgin Mary, angels, and saints. By the eighth century, square halos were used to designate donors, bishops, and popes.

When used for human figures, the halo represents holiness or sanctity, and its iconography is developed to mark important distinctions between the figures represented. Square zones of light behind the head are used to show that the person was living at the time the painting was made. The square is inferior to the circle and is associated with the earth. Trinitarian figures often have three rays of light emanating from the head. The Virgin Mary always appears with a circular halo. A cross within the circle of light is used to signify Christ. Halos also appear around the heads of animals who symbolize a saintly or divine figure. A lamb with a circular halo within which the cross appears, for example, is a common figure for Christ.

— Amy Hollywood

Bibliography

  • Collinet-Guérin, M. (1961). Histoire du nimbus des origines au temps modernes. Nouvelles Editions Latines, Paris

In meteorology, a ring of light around the sun or, more rarely, the moon. It is caused by the refraction of light by ice crystals, thus, in popular lore, a halo round the moon foreshadows snow. A coloured halo is a corona.

halo, in meteorology, short-lived circles or arcs, and less commonly spikes and crosses, of colored or whitish light surrounding the moon or sun or in clouds as seen from above. A halo occurs when the light from the sun or the moon is refracted and reflected by ice crystals in the atmosphere, usually in a thin layer of high cirrostratus clouds. Under certain circumstances a second, or outer, halo appears, which is fainter than the inner one. At times white or colored luminous arcs are also seen lying somewhat parallel to the horizon and passing through the source of light, called mock suns, parhelia, or sun dogs for the sun, and paraselenae for the moon. A single mock sun, the anthelion, directly opposite the sun, may be added. In general a white halo results from the reflection of light by ice crystals, while one which appears as colored rings results from the refraction of light by ice crystals. Halos are more brilliant and complex near the poles than in other parts of the world. The theory attributing their formation to the presence of ice crystals was first suggested by the 17th cent. French philosopher Descartes. Similar to a halo and sometimes confused with it is the sun's corona. In X-ray electron diffraction, the term halos refers to the broad rings that appear on a photographic film as a result of the diffraction of a monoenergetic beam of X rays or electrons from a crystalline powder located at the center of the camera.


A cynical view of the world by Ambrose Bierce


n.

Properly, a luminous ring encircling an astronomical body, but not infrequently confounded with "aureola," or "nimbus," a somewhat similar phenomenon worn as a head-dress by divinities and saints. The halo is a purely optical illusion, produced by moisture in the air, in the manner of a rainbow; but the aureola is conferred as a sign of superior sanctity, in the same way as a bishop's mitre, or the Pope's tiara. In the painting of the Nativity, by Szedgkin, a pious artist of Pesth, not only do the Virgin and the Child wear the nimbus, but an ass nibbling hay from the sacred manger is similarly decorated and, to his lasting honor be it said, appears to bear his unaccustomed dignity with a truly saintly grace.


Word Tutor:

halo

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pronunciation

IN BRIEF: A ring of light appearing to surround the sun or moon or around the head of a saint or angel.

pronunciation Every saint has a bee in his halo. — Elbert Hubbard (1856-1915)

Tutor's tip: Note: To "hallow" is to make holy. A "halo" is a circle of light around a religious figure. Something with a hole or void inside is "hollow".

LearnThatWord.com is a free vocabulary and spelling program where you only pay for results!

A dream of oneself with a halo may signify that perfection is a goal for the dreamer. Alternatively, it may represent an exaggerated "holier than thou" attitude.


i. The luminous effect produced by the refraction and reflection of light by prismatic ice crystals present in the cirrus and cirrostratus clouds. It is a white circle or prismatic arc of a circle, with the sun or the moon at the center. They are of two different radii: in the first case, the halo sub-tends an angle of 22°, whereas, in the other case, it subtends an angle of 46°. The coloration of a halo changes from red inside to blue outside. This is just the opposite of that in a corona-green and blue are usually too weak to be seen.
ii. A high-altitude, low-opening (HALO) paradrop system. The paratroopers jump from aircraft at very high altitudes and open their parachutes at very low heights. This technique ensures rapid infiltration and tactical surprise. The latter is achieved as the paratroopers can jump from the aircraft, which is flying some distance away from the drop zone.
iii. The reflection of cockpit instruments seen in a canopy at night.
iv. The colored ring seen on clouds in the direction away from the sun (i.e., with the aircraft’s shadow at the center). Also called a pilot’s halo.
v. A bright ring around the spot produced by a beam of electrons striking the fluorescent coating in a cathode-ray tube.

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categories related to 'halo'

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Random House Word Menu by Stephen Glazier
For a list of words related to halo, see:

  See crossword solutions for the clue Halo.
Translations:

Halo

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Dansk (Danish)
n. - glorie, stråleglans
v. tr. - omgive med glorie

Nederlands (Dutch)
aureool, stralenkrans, heiligenkrans, licht/ -dampkring om hemellichamen, floers, met een halo omgeven

Français (French)
n. - auréole, (fig) odeur de sainteté (hum), image, (Astron) halo
v. tr. - auréoler

Deutsch (German)
n. - Glorienschein, Halo, Hof
v. - mit einem Glorienschein umgeben

Ελληνική (Greek)
n. - άλως, φωτοστέφανο(ς), αίγλη, στεφάνι ηλίου ή σελήνης, άλως
v. - περιβάλλω με φωτοστέφανο

Italiano (Italian)
aureola, alone

Português (Portuguese)
n. - halo (m), glória (f) (fig.)
v. - cercar com um halo

Русский (Russian)
ореол, окружать ореолом, кольцо вокруг планет

Español (Spanish)
n. - halo, aureola, nimbo
v. tr. - rodear con un halo o aureola, formar un halo o aureola

Svenska (Swedish)
n. - (helgon)gloria, solgård, ljusgård (foto), halo(fenomen)
v. - omge med gloria, bilda en gloria

中文(简体)(Chinese (Simplified))
晕轮, 荣光, 光圈, 使有晕轮, 围以光环

中文(繁體)(Chinese (Traditional))
n. - 暈輪, 榮光, 光圈
v. tr. - 使有暈輪, 圍以光環

한국어 (Korean)
n. - (해, 달의) 무리, 후광, 영광
v. tr. - ~을 광륜으로 둘러싸다, 후광이 되다, 무리가 서다

日本語 (Japanese)
n. - 暈, 後光, 栄光, かさ

العربيه (Arabic)
‏(الاسم) الهاله دارة القمر طفاوة الشمس, هاله القداسه إشعاع نوراني يطوف الرأس, كما في صورة قديس مثلا, هاله تقديس يحاط بها شخص أو شئ (فعل) يشكل هاله, يطوق بهاله‏

עברית (Hebrew)
n. - ‮עטרת-אור, הילה, זוהר המקושר עם אדם הנחשב לאידיאלי, מעגל‬
v. tr. - ‮הקיף בהילת אור‬


 
 
Related topics:
enhalo
fringe ore (geology)
Hevelian halo (optics)

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