GRE Word List

ASTIGMATISM

a defect of an optical system (such as a lens) causing rays from a point to fail to meet in a focal point resulting in a blurred and imperfect image

The meaning of the word astigmatism is a defect of an optical system (such as a lens) causing rays from a point to fail to meet in a focal point resulting in a blurred and imperfect image.

Random words

WordMeaning
motifa usually recurring salient thematic element (as in the arts)
flourishto grow luxuriantly : thrive
writheto twist into coils or folds
aureolea radiant light around the head or body of a representation of a sacred personage
foregoto go before : precede
unwittingnot knowing : unaware
indiscriminatenot marked by careful distinction : deficient in discrimination and discernment
ebbthe reflux of the tide toward the sea
pedagogythe art, science, or profession of teaching
saunterto walk about in an idle or leisurely manner : stroll