multistage theory any theory concerning a process that posi...
element n. 1. a subunit or constituent part of...
Kocher–Debré–Sémélaigne syndrome a disorder of infants and...
fad n. an abrupt but short-lived change in the opinions, be...
pyramidotomy n. the surgical process of cutting the pyramid...
slipped disk a condition in which the gelatinous interior o...