Anthelion

Definitions

  • Webster's Revised Unabridged Dictionary
    • n Anthelion (Meteor) A halo opposite the sun, consisting of a colored ring or rings around the shadow of the spectator's own head, as projected on a cloud or on an opposite fog bank.
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Century Dictionary and Cyclopedia
    • n anthelion A solar phenomenon consisting of one or more faint luminous rings around the shadow of the head of an observer when projected at no great distance by the sun when it is near the horizon on a cloud, fog-bank, grass covered with dew, or other moist surface. It is sometimes observed in alpine and polar regions, and is due to diffraction of light.
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Chambers's Twentieth Century Dictionary
    • n Anthelion ant-hēl′yun a luminous coloured ring observed by a spectator on a cloud or fog-bank over against the sun
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Etymology

Webster's Revised Unabridged Dictionary
Pref. anti, + Gr. sun
Chambers's Twentieth Century Dictionary
Gr. anti, opposite, hēlios, the sun.