Link to this page adjective: Of or associated with longitude or size: a longitudinal reckoning by the navigator; made longitudinal dimensions of this hull. Concerned with the development of persons or groups eventually: a longitudinal research of twins. Placed or running lengthwise: longitudinal stripes. Relating to size, or even longitude. operating in the direction of the long axis of a body. Forward and/or backwards, relative to some defined path. Sampling information eventually versus simply when. Of or related to longitude or size. Extending long; in the direction of the length; working lengthwise, as distinguished from transverse. of or relating to outlines of longitude running lengthwise over a protracted time View More noun: Any longitudinal piece, as in shipbuilding etc. A railway sleeper lying synchronous using the railway. In iron ship-building, among the fore-and-aft people when you look at the framing of a cellular double bottom, comprising a plate, an inner angle-bar wherein its attached to the internal bottom, and an outer angle-bar in which its connected to the external plating. In warships, the plate and inner bar are usually constant; in merchant vessels the dish and both pubs are more usually worked inter-costally between the frames. Also referred to as longitudinal framework. See slices under double-bottom. View More others: Of or with respect to longitude or size; concerning or consisting long: as, longitudinal distance. in direction of the exact distance; working lengthwise, as distinguished from transverse or all-around: since, the longitudinal diameter of a body. In botany, in the direction of growth. In zoology, extended inside long axis of the human body, as any articulate animal; articulated. View More Related Sources Definition for "longitudinal" Of or associated with longitude or size: a… View More Sentence for "longitudinal" "In any long-term longitudinal survey of… View More Synonym for "longitudinal" Antonym for "longitudinal" Phrases for "longitudinal" Rhyme for "longitudinal" Cross Reference for "longitudinal" Equivalent for "longitudinal" Same Context for "longitudinal" Medical Dictionary for "longitudinal"