AskDefine | Define longitudinally

Dictionary Definition

longitudinally adv
1 across time; "We studied the development of the children longitudinally"
2 in the direction of the length; "He cut the paper lengthwise" [syn: lengthways, lengthwise, longwise, longways]
3 with respect to longitude; "longitudinally measured"

User Contributed Dictionary



  1. Along lines of longitude, in the direction from pole to pole, meridianally.

Extensive Definition

The term, longitudinal means "along the major (or long) axis" as opposed to latitudinal which means "along the width", transverse, or across.
See also: longitude


In anatomy, the longitudinal plane is either the coronal plane or sagittal plane.
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