oppositional defiant disorder in DSM–IV–TR, a behavior diso...
causal law a statement of a consistent or invariant relatio...
attitude system a set of two or more attitudes that are ass...
idiocy n. an obsolete name for profound mental retardation.
sinusoid n. 1. generally, any sine wave form. 2...
Rayleigh scattering the scattering of sunlight by molecules...