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
cerebrationto use the mind : think
agapewide open : gaping
invidiousof an unpleasant or objectionable nature : obnoxious
typhoona hurricane occurring especially in the region of the Philippines or the China sea
privyprivate
miscellaneousconsisting of diverse things or members : heterogeneous
inaugurateto induct into an office with suitable ceremonies
overthrowoverturn
erratichaving no fixed course : wandering
diffidencethe quality or state of being unassertive or bashful : the quality or state of being diffident