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adj. Of or relating to longitude or length: a longitudinal reckoning by the navigator; made longitudinal measurements of the hull.

adj. Concerned with the development of persons or groups over time: a longitudinal study of twins.

adj. Placed or running lengthwise: longitudinal stripes.

adj. Relating to length, or to longitude.

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

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

adj. Sampling data over time rather than merely once.

n. Any longitudinal piece, as in shipbuilding etc.

adj. Of or pertaining to longitude or length.

adj. Extending in length; in the direction of the length; running lengthwise, as distinguished from transverse.

n. A railway sleeper lying parallel with the rail.

Of or pertaining to longitude or length; relating to or consisting in length: as, longitudinal distance.

In the direction of the length; running lengthwise, as distinguished from transverse or across: as, the longitudinal diameter of a body.

In botany, in the direction of growth.

In zoology, extended in the long axis of the body, as any articulate animal; articulated.

n. In iron ship-building, one of the fore-and-aft members in the framing of a cellular double bottom, consisting of a plate, an inner angle-bar by which it is connected to the inner bottom, and an outer angle-bar by which it is connected to the outside plating. In warships, the plate and inner bar are usually continuous; in merchant vessels the plate and both bars are more frequently worked inter-costally between the frames. Also called longitudinal frame. See cuts under double bottom.

adj. of or relating to lines of longitude

adj. running lengthwise

adj. over an extended time

""In any long-term longitudinal survey of budgetary costs, I think it would be imprudent and misleading not to adjust for the effects of inflation," says Stephen I. Schwartz, editor of the journal Nonproliferation Review and director of a 1998 study by the left-leaning Brookings Institution on long-range nuclear-weapons spending in the U.S."

lengthwise    lengthways    long   

transverse    cross-sectional   

longitudinal elasticity    longitudinal strain    longitudinal aberration    longitudinal sinus    longitudinal veins   

lengthwise    endwise   

attitudinal    latitudinal   

transverse    perpendicular    radial    diagonal    oblique