Longitudinal vs Longterm - What's the difference?

As adjectives the difference between longitudinal and longterm

is that longitudinal is relating to length, or to longitude while longterm is an alternative spelling of lang=en.

is any longitudinal piece, as in shipbuilding etc.

(wikipedia longitudinal) (-)

Relating to length, or to longitude.

Running in the direction of the long axis of a body.

Forward and/or backward, relative to some defined direction.

(science, and, social science, of a study) Sampling data over time rather than merely once.

* (relating to length) transverse * (sampling data over time) cross-sectional

(en noun)

Any longitudinal piece, as in shipbuilding etc.

# A railway sleeper lying parallel with the rail.

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(en adjective)