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
ambivalencesimultaneous and contradictory attitudes or feelings (such as attraction and repulsion) toward an object, person, or action
palleta straw-filled tick or mattress
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fiatan authoritative or arbitrary order : decree
haplesshaving no luck : unfortunate
effusionan act of effusing
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cessationa temporary or final ceasing (as of action) : stop