The meaning of LONGITUDINAL is placed or running lengthwise. How to use longitudinal in a sentence.

LONGITUDINAL definition: of or relating to longitude or length. See examples of longitudinal used in a sentence.

Longitudinal is a geometric term of location which may refer to: Longitude Line of longitude, also called a meridian Longitudinal engine, an internal combustion engine in which the crankshaft is …

Longitudinal planes refer to the vertically-oriented planes which are aligned along the long axis of the body.

Dec 30, 2025 · longitudinal (plural longitudinals) Any longitudinal piece, as in shipbuilding etc. (rail transport) A railway sleeper lying parallel with the rail.

1. of or pertaining to longitude or length: longitudinal measurement. 2. extending in the direction of the length of a thing; lengthwise. 3. of or extending along the long axis of the body, or the …

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 …

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 …

Dec 16, 2025 · Longitudinal analysis is fundamentally defined by the repeated observation of the same subjects over an extended duration. Researchers select a specific group, often called a …

The term 'longitudinal' refers to research that involves repeated observations of the same variables over time. This approach allows researchers to track changes and developments in …