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Glite Dictionary
📈 Over time ↔️ Lengthwise 🌍 Along longitude
longitudinal

longitudinal

1 6.4
Along lines that run from the North Pole to the South Pole
  • adjective
  • /ˌlɔːn.dʒɪˈtud.ɪ.nəl/
  • Specialized
translation icon : longitudinal
  • The researchers collected longitudinal data to analyze climate changes along the equator.
  • Longitudinal Study
  • National Longitudinal
  • Longitudinal conductivity

Examples

  • The longitudinal axis was measured after clear visualization of the liver in the midclavicular plane.

    Academic text (2016)

  • The differences can be traced in part to the emphasis of human dam removal on longitudinal connectivity of water and sediment.

    Academic text (2010)

  • More longitudinal descriptive studies are needed on violence and trauma among serious violent youth offenders.

    Academic text (2013)

  • Compute the latitudinal and longitudinal difference between the Texas town you chose and Abilene.

    Academic text (1994)

  • The study's data came from the 2002-2006 Educational Longitudinal Study (ELS; U.S. Department of Education, 2008).

    Academic text (2011)

  • The first research question posed was whether cross-sectional or longitudinal depictions of the achievement gap across grades for the SWD subgroup differed.

    Academic text (2015)

  • During the expedition, scientists mapped the longitudinal lines of the region to understand geographical features.

  • The study focused on the longitudinal distribution of plant species across diverse ecosystems.

Surface Forms

longitudinal positive

Morphology

longitudinal = longitude (transparent) = longitude + al

The adjective is directly formed from 'longitude' with the suffix '-al', and the geographic relation is straightforward.

Etymology

Longitudinal comes from longitude, which comes from the Latin root longus meaning 'long' or 'length'. On maps, longitude lines run from the North Pole to the South Pole, so longitudinal means 'along lines of longitude'.