anthelion


Also found in: Thesaurus, Medical, Encyclopedia, Wikipedia.

ant·he·li·on

 (ănt-hē′lē-ən, ăn-thē′-)
n. pl. ant·he·li·a (-lē-ə) or ant·he·li·ons
A luminous, white, diffuse spot occasionally seen in the sky opposite the sun on the parhelic circle.

[Greek anthēlion, from neuter of anthēlios, opposite the sun : anti-, anti- + hēlios, sun; see sāwel- in Indo-European roots.]

anthelion

(æntˈhiːlɪən; ænˈθiː-)
n, pl -lia (-lɪə)
1. (Physical Geography) a faint halo sometimes seen in polar or high altitude regions around the shadow of an object cast onto a thick cloud bank or fog
2. (Physical Geography) a white spot occasionally appearing on the parhelic circle at the same height as and opposite to the sun
[C17: from Late Greek, from anthēlios opposite the sun, from ante- + hēlios sun]

anthelion

A luminous area like a halo sometimes seen in the sky opposite the sun.
Mentioned in ?
References in periodicals archive ?
The anthelion is a reflected, usually whitish image of the Sun produced in the ice crystals of cirrus clouds.
Anthelio derives its name from anthelion, the halo around bodies directly opposite the sun.
The anthelion ("opposite the Sun") is located 180[degrees] of azimuth away from the Sun but at the same altitude.