longitudinal

[ lon-ji-tood-n-l, -tyood- ]
/ ˌlɒn dʒɪˈtud n l, -ˈtyud- /
SEE SYNONYMS FOR longitudinal ON THESAURUS.COM

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.

Origin of longitudinal

1535–45; < Latin longitūdin- (stem of longitūdō; see longitude) + -al1

OTHER WORDS FROM longitudinal

lon·gi·tu·di·nal·ly, adverb

Words nearby longitudinal

longirostral, longish, longissimus capitis muscle, longitude, longitude by account, longitudinal, longitudinal aberration, longitudinal coefficient, longitudinal dune, longitudinal fissure of cerebrum, longitudinal fracture

Words related to longitudinal

lengthwise, long, long-term, continuing, endlong, linear, longstanding, overall, protracted, continued, drawn-out, elongated, extensive, prolonged

Example sentences from the Web for longitudinal

British Dictionary definitions for longitudinal

longitudinal
/ (ˌlɒndʒɪˈtjuːdɪnəl, ˌlɒŋɡ-) /

adjective

of or relating to longitude or length
placed or extended lengthways Compare transverse (def. 1)
psychol (of a study of behaviour) carried on over a protracted period of time

Derived forms of longitudinal

longitudinally, adverb

Medical definitions for longitudinal

longitudinal
[ lŏn′jĭ-tōōd′n-əl ]

adj.

Running in the direction of the long axis of the body or any of its parts.