parallax
noun
the apparent displacement of an observed object due to a change in the position of the observer.
parallactic
-
a word derived from
parallax.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
How shall we adequately describe the extreme minuteness of the parallactic ellipses in the case of even the nearest stars?
From The Story of the Heavens by Sir Robert S. (Robert Stawell) Ball
In the course of a year it is found that the difference in declination undergoes a periodic change, and from that change the parallactic ellipse can be computed.
From The Story of the Heavens by Sir Robert S. (Robert Stawell) Ball
Ptolemy’s parallactic rules, covered with brass, four cubits in the side.5.
From The Martyrs of Science, or, The lives of Galileo, Tycho Brahe, and Kepler by Sir David Brewster
The assured general fact as regards the direction of stellar movements was that they included a common parallactic element due to the sun’s translation.
From Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 7 "Arundel, Thomas" to "Athens" by Various
The parallactic shift of the nearest of the stars as seen from opposite sides of the earth's orbit, is many times smaller.
From A Popular History of Astronomy During the Nineteenth Century Fourth Edition by Agnes M. (Agnes Mary) Clerke
