longitudinal
adjective
- of or in length
- running or placed lengthwise
- of longitude
- designating or of studies dealing with the development of an individual or group over a period of years
See longitudinal in American Heritage Dictionary 4
(lŏnˌjĭ-to͞odˈn-əl, -tyo͞odˈ-, lônˌ-)
adjectivea. Of or relating to longitude or length: a longitudinal reckoning by the navigator; made longitudinal measurements of the hull.
b. Concerned with the development of persons or groups over time: a longitudinal study of twins.
- Placed or running lengthwise: longitudinal stripes.
Related Forms:
- lonˌgi·tuˈdi·nal·ly adverb
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