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.
- poetaste
- poetaster
- poetastering
- poetastery
- poetastical
- poetasting
- poetastress
- poetastrical
- poetastry
- poetaz
- poetdom
- poetese
- poetess
- poetette
- poethood
- poetic
- looking-glass image
- looking-glass land
- looking-glass plate
- looking-glass tree
- looking-glass world
- looking-glass writing
- looking in
- looking on
- looking over