- 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.Licensed from iStockPhoto
- 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: L halos (gen. and amp; accusative halo) from Glassical 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: from Glassical Greek hals (gen. halos), salt, hence sea
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noun pl. ha·los or ha·loes
- 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. Something resembling this band.
- A luminous ring or disk of light surrounding the heads or bodies of sacred figures, such as saints, in religious paintings; a nimbus.
- The aura of majesty or glory surrounding a person or thing that is regarded with reverence, awe, or sentiment.
Origin: Medieval Latin halō, from accusative of Latin halōs, from Greek, threshing floor, disk of or around the sun or moon.
- Salt: halophyte.
- Halogen: halocarbon.
Origin: French, from Greek, from hals, hal-, salt, sea; see sal- in Indo-European roots.
halo - Medical Definition
noun pl. ha·los or ha·loes
- A reddish yellow ring surrounding the optic disk, caused by an expansion of the scleral ring that makes the deeper structures visible.
- Glaucomatous halo.
- A ring of light surrounding a luminous body.
- Salt: halophilic.
- Halogen: halide.
halo - Science Definition
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