Piagetian task any of a variety of tasks developed by Jean...
primary hypersomnia in DSM–IV–TR, a sleep disorder characte...
sociometric differentiation the gradual development of stro...
user-friendly adj. describing a product or system that is e...
diethylpropion n. a CNS stimulant used as an appetite suppr...
Reichenbach phenomenon an energy field allegedly emanating...