Look up: HALO

1. halo
   [n] - a circle of light around the sun or moon
   Found on http://www.webdictionary.co.uk/definitio
   
   
2. Halo
   A ring of light that appears around the Sun or Moon. It is produced by refraction in ice crystals. See also: Moon, Sun.
   Found on http://www.diracdelta.co.uk/science/sour
   
   
3. halo
   Radiance encircling the heads of saints and holy persons in art. It is also called an aureole, especially when surrounding the whole figure. It may have originated in Egyptian art, where the Sun god...
   Found on http://www.encyclo.co.uk/local/20688
   
   
4. Halo
   A light line around object edges in a image, produced by the USM (sharpening) technique.
   Found on http://www.rodsmith.org.uk/photographic%
   
   
5. Halo
   Ha'lo (hā'lo) noun ; plural Halos (-lōz). [ Latin halos , acc. halo , Greek 'a`lws a thrashing floor, also (from its round shape) the disk of the sun or moon, and later a halo round it; confer Greek <...
   Found on http://www.encyclo.co.uk/webster/H/8
   
   
6. Halo
   Ha'lo transitive verb & i. [ imperfect & past participle Haloed (-lōd); present participle & verbal noun Haloing .] To form, or surround with, a halo; to encircle with, or as with, a ...
   Found on http://www.encyclo.co.uk/webster/H/8
   
   
7. halo
   <radiobiology> The cold, dense plasma formed outside the last closed flux surface during a vertical displacement event. The large currents which flow through this plasma stop the displacement and transfer the force to the vacuum vessel. If care is not taken in design, the halo currents can be ...
   Found on http://www.mondofacto.com/facts/dictiona
   
   
8. halo
   (ha´lo) a circular structure, such as a luminous circle seen surrounding an object or light. Fick halo a colored circle appearing around a light, experienced by wearers of contact lenses. halo glaucomatosus , glaucomatous halo a narrow ligh...
   Found on http://www.encyclo.co.uk/local/21001
   
   
9. Halo
   • (n.) A colored circle around a nipple; an areola. • (n.) A circle of light; especially, the bright ring represented in painting as surrounding the heads of saints and other holy persons; a glory; a nimbus. • (n.) A luminous circle, usually prismatically colored, round the sun or moo...
   Found on http://thinkexist.com/dictionary/meaning
   
   
10. halo
    (from the article `comet`) The large atomic hydrogen halo detected up to 107 kilometres from the nucleus is simply a large coma visible in ultraviolet (Lyman-alpha line). It is ...
    Found on http://www.britannica.com/eb/a-z/h/8
    
    
11. halo
    any of a wide range of atmospheric optical phenomena that result when the Sun or Moon shines through thin clouds composed of ice crystals. These ... [1 related articles]
    Found on http://www.britannica.com/eb/a-z/h/8
    
    
12. halo
    in art, radiant circle or disk surrounding the head of a holy person, a representation of spiritual character through the symbolism of light. In ... [2 related articles]
    Found on http://www.britannica.com/eb/a-z/h/8
    
    
13. HALO
    Halo: Combat Evolved, or simply Halo, is a video game in the first-person shooter (FPS) genre, created by the Microsoft-owned Bungie Studios. It was released for the Xbox game console on November 15, 2001.
    Found on http://www.glossarycentral.com/xbox/halo
    
    
14. Halo
    Group of optical phenomena, in the form of rings, arcs, pillars or bright spots around the Sun or Moon, produced by the refraction or reflection of light by ice crystals suspended in the atmosphere (Cirrus clouds, diamond dust, etc.)
    Found on http://nsidc.org/arcticmet/glossary/halo
    
    
15. Halo
    A light line around object edges in a image, produced by the USM (sharpening) technique
    Found on http://www.digitalexposure.ca/sub1.html
    
    
16. HALO
    The ring of light that seems to encircle the sun or moon when veiled by cirrus clouds. To produce this phenomena, the ice crystals must be in a heterogeneous arrangement to refract the sunlight. The most commonly observed is a halo that forms at a 22° radius, although another one at 46° radius may also be seen.
    Found on http://www.weather.com/glossary/h.html
    
    
17. Halo
    A ring or arc of coloured or white light that encircles the sun or moon when seen through a cloud of ice crystals. Halos are produced by the refraction of light. The most commonly observed halo forms at a 22 degrees radius from the sun/moon. One at 46 degrees radius may also be seen.
    Found on http://www.islandnet.com/~see/weather/ge
    
    
18. halo
    halo, in art: see nimbus.
    Found on http://www.infoplease.com/ce6/ent/A09141
    
    
19. halo
    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, usuall...
    Found on http://www.infoplease.com/ce6/weather/A0
    
    
20. Halo
    Halo is the name given to coloured circles of light sometimes seen round the sun or moon, and to other connected luminous appearances. These phenomena are classified as: (1) Halos proper, consisting of complicated arrangements of arcs and circles of light surrounding the sun or moon, accompanied by ...
    Found on http://www.probertencyclopaedia.com/brow
    
    
21. halo
    Type: Term Pronunciation: hā′lō Definitions: 1. A reddish yellow ring surrounding the optic disc, due to a widening of the scleral ring making the deeper structures visible. 2. An anular flare of light surrounding a luminous body or a depigmented ring around a mole. 3. A circular met...
    Found on http://www.medilexicon.com/medicaldictio
    
    
22. Halo
    Halo is a medical device used to stabilize the cervical spine after traumatic injuries to the neck, or after spine surgery. The apparatus consists of a halo vest, stabilization bars and a metal ring encircling the patient
    Found on http://www.spine-health.com/glossary/h/h
    
    
23. Halo
    (optical phenomenon) A `halo` from Greek ἅλως; also known as a `nimbus`, `icebow` or `gloriole`) is an optical phenomenon produced by ice crystals creating colored or white arcs and spots in the sky. Many are near the sun or moon but others are elsewhere and even in the oppos...
    Found on http://en.wikipedia.org/wiki/Halo
    
    
24. Halo
    (comics) :For the Halo series comics by Marvel Comics, see Halo Graphic Novel and Halo: Uprising. --> `Halo` is a fictional superheroine that appears in comic books published by DC Comics. She first appeared in The Brave and the Bold #200 (July 1983), and was created by Mike W. ...
    Found on http://en.wikipedia.org/wiki/Halo
    
    
25. Halo
    (series) `Halo` is a science fiction video game franchise created by Bungie and owned and published by Microsoft Studios. The series centers on an interstellar war between humanity and a theocratic alliance of aliens known as the Covenant. The Covenant worship an ancient civilization k...
    Found on http://en.wikipedia.org/wiki/Halo