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

WordMeaning
nostalgiaa wistful or excessively sentimental yearning for return to or of some past period or irrecoverable condition
tithea tenth part of something paid as a voluntary contribution or as a tax especially for the support of a religious establishment
ethnicof or relating to large groups of people classed according to common racial, national, tribal, religious, linguistic, or cultural origin or background
panga brief piercing spasm of pain
emendto correct usually by textual alterations
guisea form or style of dress : costume
impetusa driving force : impulse
penurya cramping and oppressive lack of resources (such as money)
pessimisman inclination to emphasize adverse aspects, conditions, and possibilities or to expect the worst possible outcome
refractiondeflection 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