Alto is properly the term for the second top part in four-part mixed-voice vocal writing. Applied to voices it means no more than can muddle their way through the alto part, which is not saying a whole lot, because the alto part is notoriously mind numbing (not that itâs not an essential part of the whole, or that weâre not grateful for the people who deal with it).
Longitudinal data system. Longitudinal data system is a data system capable of tracking student information over multiple years in multiple schools. The term appears in Federal law of the United States to describe such a system. Federal funding is provided to aid the design and implementation of such systems.
Definition of longitudinal. 1  1 : placed or running lengthwise The insect's back is black with yellow longitudinal stripes. 2  2 : of or relating to length or the lengthwise dimension the longitudinal extent of the building. 3 : involving the repeated observation or examination of a set of subjects over time with respect to one or more study variables a longitudinal study of juvenile offenders over a period of five years.