longitudinal.
Running across a set direction of an object.
Meaning & usage
Running across a set direction of an object.
The motion about the longitudinal axis of an airplane is called roll.
Running across a set direction of an object. Running in the direction of the long axis of a body.
Relating to the geographical longitude.
The longitudinal position of a ship refers to its angular distance east or west from the prime meridian.
Of a study, sampling data over time rather than merely once.
longitudinal studies
Where this word comes from
From Latin longitūdin- + -al, from oblique stem of Latin longitūdō, from longus + -tūdō. By surface analysis, longitude + -al.
Any longitudinal piece, as in shipbuilding etc.
A railway sleeper lying parallel with the rail.
Where this word comes from
From Latin longitūdin- + -al, from oblique stem of Latin longitūdō, from longus + -tūdō. By surface analysis, longitude + -al.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.