Ramsden circle
Optics
noun
The exit pupil of a telescope or microscope; the circle of least diameter of the bundle of rays leaving the eyepiece.
Origin
Late 19th century.
- ecomorph
- ecomorphological
- ecomorphology
- ecomuseum
- econiche
- econobox
- econometric
- econometrical
- econometrically
- econometrician
- econometrics
- econometrist
- econometry
- economic
- economic adviser
- economic advisor
- economical
- economically
- economical man
- economic and monetary union
- Economic and Social Committee
- economic blizzard
- economic citizenship
- economic crime
- economic good