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
| Word | Meaning |
|---|---|
| emissary | one designated as the agent of another : representative |
| devoid | being without a usual, typical, or expected attribute or accompaniment |
| valedictory | of or relating to a valediction : expressing or containing a farewell |
| efficacy | the power to produce an effect |
| granary | a storehouse for threshed grain |
| provident | frugal |
| furtive | done in a quiet and secretive way to avoid being noticed : surreptitious |
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| proverb | a brief popular epigram or maxim : adage |
| obviate | to anticipate and prevent (something, such as a situation) or make (an action) unnecessary |