heliocentric parallax is a noun meaning "the parallax of a celestial body using two points in the earth's orbit around the sun as the baseline". It carries one recorded sense.
the parallax of a celestial body using two points in the earth's orbit around the sun as the baseline
Definitions, synonyms and semantic relations for heliocentric parallax come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.