longitudinal

UK
/ˌlɒn.dʒɪˈtjuː.dɪ.nəl/
US
/ˌlɑːn.dʒɪˈtuː.dɪ.nəl/

Translations

longitudinalnoun
longitudinals
pl
UK
/ˌlɒn.dʒɪˈtjuː.dɪ.nəl/
US
/ˌlɑːn.dʒɪˈtuː.dɪ.nəl/
Engineering/nautical term: a structural member running lengthwise.
longitudinaladjective
more longitudinal
Comp.
most longitudinal
Super.
The researchers conducted a longitudinal study over ten years.
Исследователи провели продольное исследование в течение десяти лет.

Definitions

longitudinalnoun
A structural element, such as a beam or rib, that runs lengthwise in a vehicle, vessel, or other construction.
The longitudinals of the ship's hull were inspected for corrosion.
longitudinaladjective
Relating to lengthwise direction or dimension.
The longitudinal axis of the airplane is crucial for its stability.
Involving the repeated observation or examination of a set of subjects over time with respect to one or more study variables.
The longitudinal study tracked the health of participants over a decade.