longitudinal

About 10.33 uses per million words.

Meaning

1. adjective Running across a set direction of an object.

   The motion about the longitudinal axis of an airplane is called roll.

2. adjective Running in the direction of the long axis of a body.
3. adjective Relating to the geographical longitude.

   The longitudinal position of a ship refers to its angular distance east or west from the prime meridian.

4. adjective Of a study, sampling data over time rather than merely once.

   longitudinal studies

5. noun Any longitudinal piece, as in shipbuilding etc.
6. noun A railway sleeper lying parallel with the rail.

Similar words

lengthwise lengthways long length transverse sectional vertical marginal longitude lifetime

Often followed by

study section studies and axis data direction research sections muscle

Word family

longitudinally