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(optics) condition of an optical system (as a lens) in which light rays from a single point converge in a single focal point
Answer for the clue "(optics) condition of an optical system (as a lens) in which light rays from a single point converge in a single focal point ", 10 letters:
stigmatism
Word definitions for stigmatism in dictionaries
Wikipedia
Word definitions in Wikipedia
In geometric optics , stigmatism refers to the image-formation property of an optical system which focuses a single point source in object space into a single point in image space. Two such points are called a stigmatic pair of the optical system. Many ...
Wiktionary
Word definitions in Wiktionary
n. 1 (context optics English) Image-formation property of an optical system which focuses a single point source in object space into a single point in image space 2 (context medicine English) Normal eyesight, anastigmatic state 3 (context pathology English) ...
Douglas Harper's Etymology Dictionary
Word definitions in Douglas Harper's Etymology Dictionary
1660s, "a branding," from Greek stigmatizein , from stigmat- , stem of stigma (see stigma ). Meaning "condition of being affected with stigmata" is from 1897.
WordNet
Word definitions in WordNet
n. the condition of having or being marked by stigmata (optics) condition of an optical system (as a lens) in which light rays from a single point converge in a single focal point [ant: astigmatism ] normal eyesight
Usage examples of stigmatism.
They say El Greco had a stigmatism in his eyes that gave everything a visual slant.
The few male slaves primarily worked in pleasure houses where a wealthy Darranian would be preserved from the social stigmatism of homosexuality.