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
degeneratehaving declined or become less specialized (as in nature, character, structure, or function) from an ancestral or former state
incarnationthe act of incarnating : the state of being incarnate
uprightperpendicular
soliloquythe act of talking to oneself
sourbeing, inducing, or marked by the one of the five basic taste sensations that is produced chiefly by acids and is characteristic of lemon juice
promulgateto make (an idea, belief, etc.) known to many people by open declaration : proclaim
trystan agreement (as between lovers) to meet
ravagean act or practice of ravaging
serendipitythe faculty or phenomenon of finding valuable or agreeable things not sought for
vouchto supply supporting evidence or testimony