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longitudinal
[ lon-ji-tood-n-l, -tyood- ]
adjective
- of or relating to longitude or length:
longitudinal measurement.
- extending in the direction of the length of a thing; running lengthwise:
a thin, longitudinal stripe.
- Zoology. pertaining to or extending along the long axis of the body, or the direction from front to back, or head to tail.
- pertaining to a research design or survey in which the same subjects are observed repeatedly over a period of time.
noun
- a longitudinal framing member, as in the hull of a ship.
longitudinal
/ ˌlɒŋɡ-; ˌlɒndʒɪˈtjuːdɪnəl /
adjective
- of or relating to longitude or length
- placed or extended lengthways Compare transverse
- psychol (of a study of behaviour) carried on over a protracted period of time
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Derived Forms
- ˌlongiˈtudinally, adverb
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Other Words From
- longi·tudi·nal·ly adverb
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Word History and Origins
Origin of longitudinal1
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Example Sentences
The National Longitudinal Survey of Youth gathered self-reported data from 1985 that sampled eye-color distributions of Americans.
Paul: We're just beginning to gather longer term longitudinal data.
There are also eight or nine similar white points between the base of the lower wings and the band of longitudinal spots.
The longitudinal drag due to the friction of a train when braked, about one-seventh of the weight of the train.
Great advances, or at all events alterations, have gradually been made in the longitudinal design of the boats.
The veins of the leaves always run parallel and in a longitudinal direction.
The muzzle is very thick, long, and surrounded on both sides with deep longitudinal wrinkles.
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