GRE Word List
EFFICACY
the power to produce an effect
The meaning of the word efficacy is the power to produce an effect.
Random words
| Word | Meaning |
|---|---|
| nostalgia | a wistful or excessively sentimental yearning for return to or of some past period or irrecoverable condition |
| tithe | a tenth part of something paid as a voluntary contribution or as a tax especially for the support of a religious establishment |
| ethnic | of or relating to large groups of people classed according to common racial, national, tribal, religious, linguistic, or cultural origin or background |
| pang | a brief piercing spasm of pain |
| emend | to correct usually by textual alterations |
| guise | a form or style of dress : costume |
| impetus | a driving force : impulse |
| penury | a cramping and oppressive lack of resources (such as money) |
| pessimism | an inclination to emphasize adverse aspects, conditions, and possibilities or to expect the worst possible outcome |
| 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 |