longitudinal

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longitudinal

/ˌlɒŋ.ɡɪˈtjuː.dɪ.nəl/ UK
/ˌlɔŋ.ɡɪˈtʃʉw.dɪ.nəl/ British, Southern, Standard
/ˌlɔn.dʒɪˈtu.dɪ.nəl/ US
/ˌlɔn.dʒəˈtu.də.nəl/ US
/ˌlɑn.dʒɪˈtu.dɪ.nəl/ cot caught merger
/ˌlɑn.dʒəˈtu.də.nəl/ cot caught merger
/ˌlɒŋ.dʒəˈtu.də.nəl/ Canada
/ˌlɔŋ.ɡəˈtʃʉː.də.nəl/ Australia
/ˌlɒŋ.ɡəˈtʃʉː.də.nəl/ New Zealand
[ˌlɔ̟ŋɡəˈtʃʉːdənəl] New Zealand

Where it comes from

From Latin longitūdin- + -al, from oblique stem of Latin longitūdō, from longus + -tūdō. By surface analysis, longitude + -al.

adjective

not comparable Running across a set direction of an object. The motion about the longitudinal axis of an airplane is called roll.
Similar: lengthwise
not comparable Running in the direction of the long axis of a body. The units have transverse seats, two and three astride the passageway with single or double longitudinal seats alongside the two entrance vestibules in each car.
Similar: lengthwise, craniocaudal, cephalocaudal, rostrocaudal
not comparable Relating to the geographical longitude. The longitudinal position of a ship refers to its angular distance east or west from the prime meridian.
not comparable Of a study, sampling data over time rather than merely once. longitudinal studies

noun longitudinals

Any longitudinal piece, as in shipbuilding etc.
A railway sleeper lying parallel with the rail.

Thesaurus

Closest in meaning: lengthwise, lengthways, long, length, transverse, sectional, vertical, marginal, longitude, lifetime, aft, longwise, axial, axially, endwise, diachronic

Translations

Every language

adj running in the direction of the long axis of a body

日本語	縦の tate no
Deutsch	längslaufend
Русский	осево́й osevój

adj relating to length

Español	longitudinal
日本語	経度の keido no, 進行方向の shinkōhōkō no
Français	longitudinal
Deutsch	längenmäßig, longitudinal
Română	longitudinal
Русский	долго́тный dolgótnyj, продо́льный prodólʹnyj

adj sampling data over time

Español	longitudinal
Deutsch	Längsschnitt

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MLA

"longitudinal." Wiktionary, via Micwyn, micwyn.com/word/longitudinal. Accessed 6 Nov. 2026.

APA

longitudinal. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/longitudinal

Chicago

"longitudinal." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/longitudinal.

BibTeX

@misc{longitudinal_2026,
  title = {longitudinal},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/longitudinal},
  urldate = {2026-11-06}
}