| English Dictionary |
LONGITUDINAL
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Dictionary entry overview: What does longitudinal mean?
• LONGITUDINAL (adjective)
The adjective LONGITUDINAL has 3 senses:
1. of or relating to lines of longitude
2. running lengthwise
3. over an extended time
Familiarity information: LONGITUDINAL used as an adjective is uncommon.
Dictionary entry details
Sense 1
Meaning:
Of or relating to lines of longitude
Classified under:
Relational adjectives (pertainyms)
Context example:
longitudinal reckoning by the navigator
Pertainym:
longitude (the angular distance between a point on any meridian and the prime meridian at Greenwich)
Derivation:
longitude (the angular distance between a point on any meridian and the prime meridian at Greenwich)
Sense 2
Meaning:
Running lengthwise
Context example:
longitudinal measurements of the hull
Similar:
lengthways; lengthwise (running or extending in the direction of the length of a thing)
Sense 3
Meaning:
Over an extended time
Context example:
a longitudinal study of twins
Similar:
long (primarily temporal sense; being or indicating a relatively great or greater than average duration or passage of time or a duration as specified)
Context examples
Loperamide decreases gastro-intestinal motility by effects on the circular and longitudinal muscles of the intestine.
(Loperamide, NCI Thesaurus)
The longitudinal muscle is limited to three distinct bands, called teniae coli that run the entire length of the colon.
(Large Intestinal Wall Tissue, NCI Thesaurus)
This leads to a decrease in gastrointestinal motility by decreasing the circular and longitudinal smooth muscle activity of the intestinal wall.
(Loperamide hydrochloride, NCI Thesaurus)
A surgical incision line that extends in a midline longitudinal axis of the uterus.
(Midline Longitudinal Uterine Incision, NCI Thesaurus)
Disease Steps in multiple sclerosis: a longitudinal study comparing disease steps and EDSS to evaluate disease progression.
(Patient Determined Disease Steps Questionnaire, NCI Thesaurus/CDISC)
The detrusor muscle of the bladder, forming the muscular wall of the bladder, consisting of the inner longitudinal; middle circular; and outer longitudinal layers.
(Muscularis Propria, NCI Thesaurus)
The longitudinal fiber of the esophagus connected to the cricoid cartilage of the larynx.
(Cricoesophageal Tendon, NCI Thesaurus)
It is comprised of plasma membrane that is supported by longitudinal actin filaments that are crosslinked by fimbrin and villin.
(Microvillus, NCI Thesaurus)
A disorder characterized by upper gastrointestinal tract bleeding caused by longitudinal mucosal tears in the gastroesophageal junction.
(Mallory-Weiss Syndrome, NCI Thesaurus)
A disorder characterized by benign depositions of calcium in the posterior longitudinal ligament.
(Ossification of Posterior Longitudinal Ligament, NCI Thesaurus)
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