n.; pl.Anthelia [ Pref. anti + Gr. &unr_; sun. ] (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. [ 1913 Webster ]
n.; pl.Aphelia [ Gr. &unr_; + &unr_; sun. ] (Astron.) That point of a planet's or comet's orbit which is most distant from the sun, the opposite point being the perihelion. [ 1913 Webster ]
English-Thai: NECTEC'sLexitron-2 Dictionary [with local updates]NECTEC Lexitron Dictionary EN-TH
n.; pl.Aphelia [ Gr. &unr_; + &unr_; sun. ] (Astron.) That point of a planet's or comet's orbit which is most distant from the sun, the opposite point being the perihelion. [ 1913 Webster ]