12 letters · 17 points in Scrabble
adjective pertaining to a lens or lens system free of astigmatism (able to form point images)
adjective not astigmatic
originEtymology tree Proto-Indo-European *né Proto-Indo-European *n̥- Proto-Hellenic *ə- Ancient Greek ᾰ̓- (ă-) Ancient Greek ἀν- (an-)der. English an- English astigmatic English anastigmatic From an- + astigmatic.
Etymology from Wiktionary, CC BY-SA 3.0