advocate a person who pleads for a person, cause, or idea
advocacy active support of an idea or cause
adversity a state of misfortune or affliction
efficacy capacity or power to produce a desired result
astrophysicist a scientist who studies the properties of celestial bodies
narcissist someone who is excessively self-centered
efficacious giving the power to produce an intended result
efficaciousness capacity or power to produce a desired effect
Adventist a member of Christian denomination that expects the imminent advent of Christ
radio chassis a chassis for a radio receiver
geophysicist a geologist who uses physical principles to study the properties of the earth
biophysicist a physicist who applies the methods of physics to biology
adverse in an opposing direction
hydroxy acid any acid that has hydroxyl groups in addition to the hydroxyl group in the acid itself
Antofagasta a port city on the Pacific in northern Chile
atavist an organism that has the characteristics of a more primitive type of that organism
gravity-assist (spaceflight) a trajectory that passes close to a planetary body in order to gain energy from its gravitational field
actor's assistant a wardrobe assistant for an actor
narcissism an exceptional interest in and admiration for yourself
inefficaciousness a lack of efficacy