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
rigiddeficient in or devoid of flexibility
temperatehaving a moderate climate which especially lacks extremes in temperature
scruplea unit of capacity equal to ¹/₂₄ Apothecaries' ounce see Weights and Measures Table
rousinggiving rise to excitement : stirring
depreciateto lower in honor or esteem
anemiaa condition in which the blood is deficient in red blood cells, in hemoglobin, or in total volume
tumultdisorderly agitation or milling about of a crowd usually with uproar and confusion of voices : commotion
ambleto go at or as if at an easy gait : saunter
overweeningarrogant
erodeto diminish or destroy by degrees: