Examlex
Quasars appear to have very large redshifts, and are receding at nearly the speed of light.
Aggression
Behaviors or actions characterized by hostility or violence towards others, often stemming from frustration or anger.
Anorexia Nervosa
An eating disorder characterized by an intense fear of gaining weight and a distorted body image, leading to restricted food intake and extreme thinness.
Hypokalemia
A medical condition characterized by lower than normal levels of potassium in the bloodstream, which can affect heart and muscle function.
Serum Potassium
The concentration of potassium in the blood serum, important for regulating heart and muscle function.
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