Princeton's WordNet
anastigmatic, stigmaticadjective
pertaining to a lens or lens system free of astigmatism (able to form point images)
Synonyms:
anastigmatic, stigmaticAntonyms:
astigmaticanastigmatic, stigmaticadjective
not astigmatic
Synonyms:
anastigmatic, stigmaticAntonyms:
astigmatic
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