تلفظ بین المللی : /ɐstˈɪɡmətˌɪzəm/ تلفظ : [a#st'Igm@t,Iz@m]
English
Having no substance; unsubstantial. [R.] Coleridge.
A defect of the eye or of a lens, in consequence of
which the rays derived from one point are not brought to a single focal
point, thus causing imperfect images or indistinctness of vision.
