Abutilon theophrasti
— Noun
– English
~ tall annual herb or subshrub of tropical Asia having velvety leaves and yellow flowers and yielding a strong fiber; naturalized in southeastern Europe and United States
association theory
— Noun
– English
~ (psychology) a theory that association is the basic principle of mental activity
Arrhenius theory of dissociation
— Noun
– English
~ (chemistry) theory that describes aqueous solutions in terms of acids (which dissociate to give hydrogen ions) and bases (which dissociate to give hydroxyl ions); the product of an acid and a base is a salt and water
atomic theory
— Noun
– English
~ (chemistry) any theory in which all matter is composed of tiny discrete finite indivisible indestructible particles; "the ancient Greek philosophers Democritus and Epicurus held atomic theories of the universe"
atomist theory
— Noun
– English
~ (chemistry) any theory in which all matter is composed of tiny discrete finite indivisible indestructible particles; "the ancient Greek philosophers Democritus and Epicurus held atomic theories of the universe"
atomistic theory
— Noun
– English
~ (chemistry) any theory in which all matter is composed of tiny discrete finite indivisible indestructible particles; "the ancient Greek philosophers Democritus and Epicurus held atomic theories of the universe"
atomic theory
— Noun
– English
~ a theory of the structure of the atom
autogenic therapy
— Noun
– English
~ training patients in self-induced relaxation
aversion therapy
— Noun
– English
~ any technique of behavior modification that uses unpleasant stimuli in a controlled fashion to alter behavior in a therapeutic way; primarily used for alcoholism or drug abuse (but with little success)