astigmatism
nounEtymology
From a- (negative prefix) + stem of Ancient Greek στίγμα (stígma, “mark, point”) + -ism. Coined by English polymath William Whewell in 1846.
- derived from στίγμα
Definitions
A defect of a lens such that light rays coming from a point do not meet at a focal point…
A defect of a lens such that light rays coming from a point do not meet at a focal point so that the image is blurred.
A disorder of the vision, usually due to a misshapen cornea, such that light does not…
A disorder of the vision, usually due to a misshapen cornea, such that light does not focus correctly on the retina causing a blurred image.
The neighborhood
- synonymastigmia
- neighborstigma
- neighborstigmatize
- neighboremmetropia
- neighborhyperopia
- neighbormyopia
- neighborpointlessness
Vish — recursive loop
No curated loop yet for astigmatism. Loops are being traced one word at a time while the ingestion pipeline matures.
sense glosses and etymology drawn from English Wiktionary · source · CC-BY-SA