/euh nas"tig mat', an'euh stig"mat/ , n. Optics.
a compound lens corrected for the aberrations of astigmatism and curvature of field.
[ 1885-90; anastigmatisch ANASTIGMATIC ]
/euh nas"tig mat', an'euh stig"mat/ , n. Optics.
a compound lens corrected for the aberrations of astigmatism and curvature of field.
[ 1885-90; anastigmatisch ANASTIGMATIC ]
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012