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
angularforming an angle : sharp-cornered
earthlycharacteristic of or belonging to this earth
embedto enclose closely in or as if in a matrix
lapa loose overlapping or hanging panel or flap especially of a garment
hallowedholy
torpedoa weapon for destroying ships by rupturing their hulls below the waterline: such as
aboriginalbeing the first or earliest known of its kind present in a region
divergeto move or extend in different directions from a common point : draw apart
genealogyan account of the descent of a person, family, or group from an ancestor or from older forms
vendorone that vends : seller