Longitudinal Meaning
/ˌlɒŋ.ɡɪˈtjuː.dɪ.nəl/Definition, CEFR level C1, pronunciation, examples, and quiz.
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Definition
adjRunning across a set direction of an object.
adjRunning across a set direction of an object., Running in the direction of the long axis of a body.
Sentence Examples
A longitudinal wave is one that vibrates in the direction of propagation.
Sound propagates via longitudinal waves.
Synonyms & Antonyms
Synonyms:
Antonyms:
None
CEFR Practice Quiz
The ____ study followed the same group of children from birth to age eighteen.
CEFR Practice Quiz (Alternate)
The researchers conducted a ____ study that followed the same group of children for more than ten years.
Word Origin & History
From Latin longitūdin- + -al, from oblique stem of Latin longitūdō, from longus + -tūdō. By surface analysis, longitude + -al.
Literary Quotations & Historical Citations
"The units have transverse seats, two and three astride the passageway with single or double longitudinal seats alongside the two entrance vestibules in each car."
— 1960 November, “New electric multiple-units for British Railways: Glasgow Suburban”, in Trains Illustrated, page 660:
"The third rotation is about the longitudinal axis of the thigh."
— 2008, Youlian Hong, Roger Bartlett, editors, Routledge Handbook of Biomechanics and Human Movement Science, Routledge, →ISBN, page 165:
"Unlike the older trains, the new units have walk-through carriages and longitudinal rather than transverse seating."
— 2023 February 22, Paul Stephen, “TfL reveals first of new B23s for Docklands Light Railway”, in RAIL, number 977, page 12:
"Examining national longitudinal data, Mossakowski has found that people who were unemployed for long periods in their teens or early 20s are far more likely to develop a habit of heavy drinking (five or more drinks in one sitting) by the time they approach middle age."
— 2010 March 1, Don Peck, “How a New Jobless Era Will Transform America”, in The Atlantic:
Explore More C1 Vocabulary Words
CEFR Practice Quiz
The ____ study followed the same group of children from birth to age eighteen.
CEFR Practice Quiz (Alternate)
The researchers conducted a ____ study that followed the same group of children for more than ten years.