Added 9 October 2026
longitudinal
/ˌlɒŋ.ɡɪˈtjuː.dɪ.nəl/ adjective
Latin root: longitūdin Wiktionary
adjective Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about longitudinal at Wordnik → Where our words come from →
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Running across a set direction of an object.
The motion about the longitudinal axis of an airplane is called roll.
- Running in the direction of the long axis of a body.
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Relating to the geographical longitude.
The longitudinal position of a ship refers to its angular distance east or west from the prime meridian.
noun
Origin
From Latin longitūdin- + -al, from oblique stem of Latin longitūdō, from longus + -tūdō. By surface analysis, longitude + -al.
From Wiktionary, via Kaikki.org (CC BY-SA)