annual parallax annually • annual ring · · · Info · Definitions · Synonyms · Characters · · annual parallax · · Text Common · · Latin · · Scripts 15 · · Length 6 · · Syllables Definitions · · · (noun) the parallax of a celestial body using two points in the earth's orbit around the sun as the baseline. Synonyms: heliocentric parallax, annual parallax. · · Noun Definition 1 Synonyms · · · heliocentric parallax · · Synonym 1 Characters · · space U+0020 a latin small letter a U+0061 l latin small letter l U+006C n latin small letter n U+006E p latin small letter p U+0070 r latin small letter r U+0072 u latin small letter u U+0075 x latin small letter x U+0078