- The definition of a halo is a ring of light that encircles something bright, or a ring of light over the head of an angel or other spiritual being, or a feeling of glory or reverence that surrounds a person or thing.
- An example of a halo is a ring of light around the moon.
- An example of a halo is the feeling that all children in a family are special because the parents are special; the halo effect.
A halo surrounding the sun.
nounpl. halos or haloes
- a ring of light that seems to encircle the sun, moon, or other luminous body: it results from the refraction of light through ice crystals in our atmosphere
- a spherical distribution of stars and star clusters extending beyond the main body of certain galaxies, as the Milky Way
- a symbolic disk or ring of light shown around or above the head of a saint, etc., as in pictures; nimbus: often used as a symbol of virtue or innocence
- the splendor or glory with which a famed, revered, or idealized person or thing is invested
Origin of haloClassical Latin halos (gen. and amp; accusative halo) ; from Classical Greek halōs, circular threshing floor, round disk of the sun or moon, hence halo around the sun or moon ; from halein, to grind ; from Indo-European base an unverified form al-, to grind from source Armenian ałam, grind, Hindi āṭā, meal
- of the sea: halobiont
- having to do with a salt: halophyte
- having to do with a halogen: haloid
Origin of halo-; from Classical Greek hals (gen. halos), salt, hence sea
nounpl. ha·los or ha·loes
- a. A luminous ring or disk of light surrounding the heads or bodies of sacred figures, such as saints, in religious paintings; a nimbus.b. A ring or disk resembling the halo of a sacred figure: “She had a halo of red hair floating over a delicate ivory face” (Judith Ortiz Cofer).c. A feeling of glory, reverence, or admiration associated with a person or thing: “By the 1930s, insulin's halo had begun to tarnish, for it became clear that patients who had the illness &ellipsis; were prone to problems of the small blood vessel” (James S. Hirsch).
- a. 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.b. A roughly spherical region of relatively dust-free space surrounding a galaxy and extending beyond the visible parts of the galaxy. Galactic halos contain stars (often located in globular clusters), gas, and dark matter.
transitive verbha·loed, ha·lo·ing, ha·loes
Origin of haloMedieval Latin halō, from accusative of Latin halōs, from Greek, threshing floor, disk of or around the sun or moon.
- Salt: halophyte.
- Halogen: halocarbon.
Origin of halo-French, from Greek, from hals, hal-, salt, sea; see sal- in Indo-European roots.
(plural halos or haloes)
- (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.
- (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.
- Anything resembling this band, such as an effect caused by imperfect developing of photographs.
- (religion) nimbus, a luminous disc, often of gold, around or over the heads of saints, etc., in religious paintings.
- The metaphorical aura of glory, veneration or sentiment which surrounds an idealized entity.
(third-person singular simple present halos, present participle haloing, simple past and past participle haloed)
- To encircle with a halo.
From Latin halos, from Ancient Greek ἅλως (hálōs, “disk of the sun or moon; ring of light around the sun or moon; threshing floor with its surrounding threshold; disk of a shield”); itself of unknown origin. Used in English since 1563, sense of light around someone’s head since 1646.
- (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.
- When you have enough experience, you can do a HALO jump.
- Hazardous Area Life-Support Organisation
HALO also means High Altitude, Low Orbiting. As used in reference to certain aviation crafts. For example, weather balloons, when at maximum altitude are considered HALO's.