1. Pertaining to a lens or lens system free of astigmatism (able to form point images)
   - stigmatic 
2. Not astigmatic
   - stigmatic

See also: anastigmat

Antonym: astigmatic

• heteroploid
• heteroploidy
• Heteroptera
• heteropterous insect
• Heteroscelus
• Heteroscelus incanus
• heterosexism
• heterosexual
• heterosexual person
• heterosexualism
• heterosexuality
• heterosis
• Heterosomata
• heterosporous
• heterospory
• heterostracan
• Heterostraci
• heterotaxy
• Heterotheca
• Heterotheca villosa
• heterothermic
• Heterotrichales
• heterotroph
• heterotrophic
• heterozygosity