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 (def 2).
noun, Astronomy. 1. the apparent motion of stars due to the earth’s orbital motion.
[par-uh-laks] /ˈpær əˌlæks/ noun 1. the apparent displacement of an observed object due to a change in the position of the observer. 2. Astronomy. the apparent angular displacement of a celestial body due to its being observed from the surface instead of from the center of the earth (diurnal parallax or geocentric parallax) or due […]
language A procedural programming language developed by Thomas Braeunl at the University of Stuttgart. It is based on Modula-2, but extended for data parallel (SIMD) programming. The main approach for machine independent parallel programming is to include a description of the virtual parallel machine with each parallel algorithm. There is a simulator and X Window […]
- Parallax test
parallax test n. Measurement of the deviation in strabismus by the alternate cover test, combined with neutralization of the deviation using prisms.