Definition of LONGITUDINAL

longitudinal

Plural: longitudinals

Adjective

  • of or relating to lines of longitude
    • "longitudinal reckoning by the navigator"

Adjective Satellite

  • running lengthwise
    • "a thin longitudinal strip"
    • "longitudinal measurements of the hull"
  • over an extended time
    • "a longitudinal study of twins"

Adj

  • Relating to length.
  • Relating to the geographical longitude.
  • Running in the direction of the long axis of a body.
  • Forward and/or backward, relative to some defined direction.
  • Sampling data over time rather than merely once.

Noun

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

Examples

  • longitudinal studies
  • The longitudinal position of a ship refers to its angular distance east or west from the prime meridian.
  • The motion about the longitudinal axis of an airplane is called roll.

Origin / Etymology

From Middle English longitudinal, from Latin longitūdin-, oblique stem of longitūdō (“length, longitude”). By surface analysis, longitude + -in- + -al.

Antonyms

cross-sectional, transverse

Scrabble Score: 14

longitudinal: valid Scrabble (US) TWL Word
longitudinal: valid Scrabble Word in Merriam-Webster MW Dictionary
longitudinal: valid Scrabble Word in International Collins CSW Dictionary

Words With Friends Score: 20

longitudinal: valid Words With Friends Word