Liberal Dictionary English Dictionary
noun (used with a singular verb)
- the branch of optics dealing with the formation of images by mirrors.
noun
- (functioning as singular) the branch of optics concerned with reflection, esp the formation of images by mirrors
Catoptrics – Wikipedia
Euclid, Catoptrics 1
Catoptrics literally and figuratively – Martyn Jolly
Catoptrics literally and figuratively – Martyn Jolly
Index of /faculty/hmendel/Ancient Mathematics/Euclid/Catoptrics