The word "Parallactical" is spelled with three syllables: /ˌpærəˈlæktɪkəl/. The first syllable is stressed, as indicated by the primary stress mark (ˈ). The word begins with the prefix "para-" meaning "beside" or "near". The second part of the word is derived from the word "parallax" which means the apparent displacement of an object caused by a change in the observer's position. Adding the suffix "-ical" makes it an adjective, indicating that it relates to or resembles parallax.
Parallactical is an adjective that pertains to or relates to parallax, which is the apparent shift or displacement in the position of an object when viewed from different angles or positions. In the field of astronomy, it refers to the technique used to measure the distance to a star or celestial object by observing its apparent movement against the background stars over the course of a year.
The term can also be used more generally to describe something that is related to or involves parallax measurement or observation. For example, parallactical instruments are tools or devices used to accurately measure parallax in various applications, such as surveying, geodesy, or astronomy. These instruments typically consist of a viewing apparatus with adjustable lenses, mirrors, or other optical components, allowing observers to measure the angular displacement of an object from different vantage points.
In a figurative sense, the term parallactical can be used to describe the perception of different perspectives or viewpoints in relation to a particular subject or situation. It implies the understanding or consideration of multiple angles or positions to gain a more comprehensive understanding. This can be especially relevant in fields such as philosophy, literature, or social sciences, where analyzing a topic from different perspectives can uncover different layers of meaning or insight. Ultimately, the term parallactical encapsulates the idea of observing or measuring from multiple viewpoints to gain a more accurate perception or understanding.
Pert. to the parallax of a heavenly body.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.