longitudinal

English dictionary entry

Meanings

adj

Running across a set direction of an object.
Running in the direction of the long axis of a body.
Relating to the geographical longitude.
Of a study, sampling data over time rather than merely once.

noun

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

Pronunciation

/ˌlɒŋ.ɡɪˈtjuː.dɪ.nəl/ /ˌlɔŋ.ɡɪˈtʃʉw.dɪ.nəl/ /ˌlɔn.dʒɪˈtu.dɪ.nəl/ /ˌlɔn.dʒəˈtu.də.nəl/ /ˌlɑn.dʒɪˈtu.dɪ.nəl/ /ˌlɑn.dʒəˈtu.də.nəl/ /ˌlɒŋ.dʒəˈtu.də.nəl/ /ˌlɔŋ.ɡəˈtʃʉː.də.nəl/ /ˌlɒŋ.ɡəˈtʃʉː.də.nəl/ [ˌlɔ̟ŋɡəˈtʃʉːdənəl] LL-Q1860 (eng)-Vealhurl-longitudinal.wav

Word forms

longitudinal longitudinals

Etymology

From Middle English longitudinal, from Latin longitūdin-, oblique stem of longitūdō (“length, longitude”). By surface analysis, longitude + -in- + -al.

Synonyms

Derived words

dorsolongitudinal heliolongitudinal longitudinal aberration longitudinal fissure longitudinally longitudinal recording longitudinal relaxation time longitudinal system longitudinal wave medial longitudinal fasciculus nonlongitudinal palaeolongitudinal paleolongitudinal pseudolongitudinal

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