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
lineagedescent in a line from a common progenitor
provisoan article or clause (as in a contract) that introduces a condition
cohereto hold together firmly as parts of the same mass
monotonytedious sameness
gustatoryrelating to or associated with eating or the sense of taste
anthropologistthe science of human beings
humusa brown or black complex variable material resulting from partial decomposition of plant or animal matter and forming the organic (see organic
relegateto send into exile : banish
corpusclea minute particle
harrowingacutely distressing or painful