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LONGITUDINAL
| Pronunciation (US): |  | (GB): | |
I. (adjective)
Sense 1
Meaning:
Over an extended time
Example:
a longitudinal study of twins
Classified under:
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)
Sense 2
Meaning:
Running lengthwise
Example:
longitudinal measurements of the hull
Classified under:
Similar:
lengthways; lengthwise (running or extending in the direction of the length of a thing)
Sense 3
Meaning:
Of or relating to lines of longitude
Example:
longitudinal reckoning by the navigator
Classified under:
Relational adjectives (pertainyms)
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)
Context examples:
Researchers measured all major air pollutants with longitudinal increases in percent emphysema revealed by more than 15,000 CT scans acquired from 2000 to 2018.
(Study finds link between long-term exposure to air pollution and emphysema, National Institutes of Health)
When placed in a magnetic field, gadoversetamide decreases T1 (spin-lattice or longitudinal relaxation time) and T2 (spin-spin or transverse relaxation time) values in tissues where it accumulates.
(Gadoversetamide, NCI Thesaurus)
When applied topically to the eye, this agent prolongs stimulation of the parasympathetic receptors at the neuromuscular junctions of the longitudinal muscle of the ciliary body.
(Echothiophate Iodide, NCI Thesaurus)
In the kidney, IGF-I increases renal plasma flow and GFR, whereas on bone it acts on the epiphysial plate, which leads to longitudinal bone growth.
(Food Intake and Energy Homeostasis Pathway, NCI Thesaurus/BIOCARTA)
Heidegger’s tires were Palmer’s, leaving longitudinal stripes.
(The Return of Sherlock Holmes, by Sir Arthur Conan Doyle)
The posterior portion of the longitudinal fissure on the surface of the liver which separates the left lobe from the lobe of Spigelius and lodges the ductus venosus in the fetus.
(Fissure of the Ductus Venosus, NCI Thesaurus)
A type of fetal presentation where the fetal spine is aligned along the longitudinal axis of the uterus and descends into the birth canal during delivery.
(Longitudinal Fetal Presentation, NCI Thesaurus)
The corpus callosum is located deep in the longitudinal fissure.
(Corpus Callosum, NLM, Medical Subject Headings)
One of the two longitudinal folds of skin located between the labia majora.
(Labium Minus, NCI Thesaurus)
A very slender, longitudinal column of motor neurons in the ventrolateral medulla oblongata; its efferent fibres leave with the vagus and glossopharyngeal nerve and innervate the striated muscle fibres of the pharynx (including the musculus levator veli palatini) and the vocal cord muscles of the larynx.
(Nucleus Ambiguus, NCI Thesaurus)
