GRE Word List

REFRACTION

deflection from a straight path undergone by a light ray or energy wave in passing obliquely from one medium (such as air) into another (such as glass) in which its velocity is different

The meaning of the word refraction is deflection from a straight path undergone by a light ray or energy wave in passing obliquely from one medium (such as air) into another (such as glass) in which its velocity is different.

Random words

WordMeaning
contiguousbeing in actual contact : touching along a boundary or at a point
infiltrateto enter or become established in gradually or unobtrusively usually for subversive purposes
jaunta usually short journey or excursion undertaken especially for pleasure
heydaythe period of one's greatest popularity, vigor, or prosperity
quivera case for carrying or holding arrows
balefuldeadly or pernicious in influence
shrewdmarked by clever discerning awareness and hardheaded acumen
prodto thrust a pointed instrument into : prick
surrogateone appointed to act in place of another : deputy
hoaxto trick into believing or accepting as genuine something false and often preposterous