anastigmatic
English Thesaurus
1. not astigmatic (adj.all)
| antonym | : | astigmatic, |
| definition | : | of or relating to a defect in the eye or in a lens caused by a deviation from spherical curvature which prevents light rays from meeting at a common focus and so results in distorted images (adj.all) |
| derivation | : | stigmatism, |
| definition | : | normal eyesight (noun.cognition) |
2. pertaining to a lens or lens system free of astigmatism (able to form point images) (adj.pert)
| pertainym | : | anastigmat, |
| definition | : | compound lens or lens system designed to be free of astigmatism and able to form approximately point images (noun.artifact) |
| pertainym | : | stigmatism, |
| definition | : | (optics) condition of an optical system (as a lens) in which light rays from a single point converge in a single focal point (noun.state) |
| derivation | : | stigmatism, |
| definition | : | (optics) condition of an optical system (as a lens) in which light rays from a single point converge in a single focal point (noun.state) |
3. not astigmatic (adj.all)
| antonym | : | astigmatic, |
| definition | : | of or relating to a defect in the eye or in a lens caused by a deviation from spherical curvature which prevents light rays from meeting at a common focus and so results in distorted images (adj.all) |
| derivation | : | stigmatism, |
| definition | : | normal eyesight (noun.cognition) |
4. pertaining to a lens or lens system free of astigmatism (able to form point images) (adj.pert)
| pertainym | : | anastigmat, |
| definition | : | compound lens or lens system designed to be free of astigmatism and able to form approximately point images (noun.artifact) |
| pertainym | : | stigmatism, |
| definition | : | (optics) condition of an optical system (as a lens) in which light rays from a single point converge in a single focal point (noun.state) |
| derivation | : | stigmatism, |
| definition | : | (optics) condition of an optical system (as a lens) in which light rays from a single point converge in a single focal point (noun.state) |
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