functional
131Functional load — In linguistics and especially phonology, functional load refers to the importance of certain features in making distinctions in a language. English vowels, for example, have a very high functional load: There are innumerable sets of words… …
132Functional symptom — A functional symptom refers to a medical symptom without an apparent cause (etiology) even after the completion of extensive diagnostic assessments. By default, a functional symptom often is judged to have causes that are neither physical nor… …
