Jun 19, 2026 · The meaning of LONGITUDINAL is placed or running lengthwise. How to use longitudinal in a sentence.

A longitudinal study (or longitudinal survey, or panel study) is a research design that involves repeated observations of the same variables (e.g., people) over long periods of time (i.e., uses longitudinal data).

Use the adjective longitudinal to describe something that takes place over a long period of time, like a study of the lifetime eating habits of people who live on islands. Sociologists and other scientists use …

medical, social sciences Longitudinal research is done on people or groups over a long period of time: longitudinal analysis / studies (Definition of longitudinal from the Cambridge Advanced Learner's …

Longitudinal is a geometric term of location which may refer to: Longitudinal redundancy check, in telecommunication, a form of redundancy check that is applied independently to each of a parallel …

The front-to-back arches (called the longitudinal arches) are natural curves along the bottoms of both feet that are supported by muscles and ligaments.

Nov 18, 2025 · Longitudinal describes anything that runs parallel to this primary axis, following the direction of the greatest dimension or the main line of movement. A measurement of length is …

Longitudinal waves are waves which oscillate in the direction which is parallel to the direction in which the wave travels and displacement of the medium is in the same (or opposite) direction of the wave …

Apr 8, 2026 · In a longitudinal wave, particles oscillate parallel to the direction of wave propagation — back and forth along the same axis the wave travels. This creates alternating regions of compression …

A longitudinal line or structure goes from one end of an object to the other rather than across it from side to side. That stability lends itself to longitudinal analysis. Collins COBUILD Advanced Learner’s …