An Etymological Dictionary of Astronomy and Astrophysics

1. Physics: A device that divides a beam of light into a number of beams and re-unites them to produce → interference. → Fabry-Perot interferometer; → Michelson interferometer.
   

2. Astro.: An arrangement of two or more separate telescopes placed at some distance from one another, each one receiving electromagnetic radiation (optical, infrared, or radio) from a celestial object and brought together to form an interference pattern.

Etymology (EN): Interferometer, from interfer, → interfer, + -o- a connective/euphonic infix + → -meter.

Etymology (PE): Andarzanešsanj, from andarzaneš→ interference + -sanj, → -meter.