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Definition of HALO
1. Noun. An indication of radiant light drawn around the head of a saint.
2. Noun. A toroidal shape. "A halo of smoke"
Specialized synonyms: Fairy Circle, Fairy Ring
Generic synonyms: Toroid
3. Noun. A circle of light around the sun or moon.
Specialized synonyms: Parhelic Circle, Parhelic Ring, Solar Halo
Definition of HALO
1. n. A luminous circle, usually prismatically colored, round the sun or moon, and supposed to be caused by the refraction of light through crystals of ice in the atmosphere. Connected with halos there are often white bands, crosses, or arches, resulting from the same atmospheric conditions.
2. v. t. & i. To form, or surround with, a halo; to encircle with, or as with, a halo.
Definition of HALO
1. Acronym. (aviation parachuting) High Altitude, Low Opening. — a type of skydiving, where you leave the launch platform from a high altitude, and open the parachute at a very low altitude. ¹
2. Acronym. Hazardous Area Life-Support Organisation ¹
3. Noun. (astronomy) A circular band of coloured light, visible around the sun or moon etc., caused by reflection and refraction of light by ice crystals in the atmosphere. ¹
4. Noun. (astronomy) A cloud of gas and other matter surrounding and captured by the gravitational field of a large diffuse astronomical object, such as a galaxy or cluster of galaxies. ¹
5. Noun. Anything resembling this band, such as an effect caused by imperfect developing of photographs. ¹
6. Noun. (religion) nimbus, a luminous disc, often of gold, around or over the heads of saints, etc., in religious paintings. ¹
7. Noun. The metaphorical aura of glory, veneration or sentiment which surrounds an idealized entity. ¹
8. Verb. (transitive) To encircle with a halo. ¹
¹ Source: wiktionary.com
Definition of HALO
1. to form a halo (a ring of light) [v -ED, -ING, -ES or -S]
Medical Definition of HALO
1.