LONGITUDINAL

longitudinal

(adjective) over an extended time; “a longitudinal study of twins”

longitudinal

(adjective) running lengthwise; “a thin longitudinal strip”; “longitudinal measurements of the hull”

longitudinal

(adjective) of or relating to lines of longitude; “longitudinal reckoning by the navigator”

Source: WordNet® 3.1


Etymology

Adjective

longitudinal (not comparable)

Relating to length, or to longitude.

Antonym: transverse

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.

Antonym: cross-sectional

Noun

longitudinal (plural longitudinals)

Any longitudinal piece, as in shipbuilding etc.

A railway sleeper lying parallel with the rail.

Source: Wiktionary


Lon`gi*tu"di*nal, a. Etym: [Cf. F. longitudinal.]

1. Of or pertaining to longitude or length; as, longitudinal distance.

2. Extending in length; in the direction of the length; running lengthwise, as distinguished from transverse; as, the longitudinal diameter of a body. Cheyne.

Lon`gi*tu"di*nal, n.

Definition: A railway sleeper lying parallel with the rail.

Source: Webster’s Unabridged Dictionary 1913 Edition



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Word of the Day

16 January 2025

BOOK

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