parallactic ellipse
noun Astronomy.
the apparent ellipse, as seen against the background of more distant stars, described annually by a nearby star because of the earth's orbital motion around the sun.
Compare parallax(def 2).
Words nearby parallactic ellipse
paralinguistic,
paralinguistics,
paralipomena,
paralipomenon,
paralipsis,
parallactic ellipse,
parallactic motion,
parallax,
parallax test,
parallel,
parallel bars