[sco.to.ma] n, pl -mas or -ma.ta [NL, fr. ML, dimness of vision, fr. Gk skotomat-, skotoma, fr. skotoun to darken, fr. skotos] (1875): a blind or dark spot in the visual field
SCOTOMA
Meaning of SCOTOMA in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012