Definition of longitudinally in US English:

longitudinally

adverb

  • See longitudinal

    • ‘Cylinders of tissue were removed longitudinally from the developing tubers and were cut into 1 mm thick discs.’
    • ‘The existing Passat shares its mechanical layout with the Audi A4, with engines mounted longitudinally driving the front or all four wheels.’
    • ‘Each floret was cut with a razor longitudinally into three or four sections so that the entire surface could be clearly observed in a dissecting microscope, and the number of stomata was counted without confusion.’
    • ‘I've previously walked through the desert longitudinally.’
    • ‘There is the prospect of analysing the data both cross-sectionally and longitudinally.’

Pronunciation

longitudinally

/ˌlɑndʒəˈt(j)ud(ə)nəli//ˌlänjəˈt(y)o͞od(ə)nəlē/