arterial
Americanadjective
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Physiology. pertaining to the blood in the pulmonary vein, in the left side of the heart, and in most arteries, having been oxygenated during its passage through the lungs and being normally bright red.
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Anatomy. of, relating to, or resembling the arteries.
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being or constituting a main route, channel, or other course of flow or access, often with many branches.
an arterial highway; an arterial drainage system.
noun
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arterials
plural
adjective
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of, relating to, or affecting an artery or arteries
arterial disease
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denoting or relating to the usually bright red reoxygenated blood returning from the lungs or gills that circulates in the arteries
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being a major route, esp one with many minor branches
an arterial road
Other Word Forms
Derived Forms
Inflected Forms
Nouns
Etymology
Origin of arterial
1375–1425; late Middle English (< Middle French ) < Medieval Latin artēriālis. See artery, -al 1
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
See Examples For:
Other new product launches also contributed to the growth, including pulmonary arterial hypertension treatment Winrevair, which brought in $588 million in sales, up 75% from a year ago.
From The Wall Street Journal ● Aug. 4, 2026
In rare circumstances, Salmonella can result in severe illnesses such as arterial infections, endocarditis and arthritis.
From Los Angeles Times ● May 27, 2026
Early proof of concept experiments also suggested that the same approach may one day be useful for other inflammation driven conditions, including traumatic brain injury and pulmonary arterial hypertension.
From Science Daily ● May 5, 2026
Each year in the UK, there are around 100,000 hospital admissions due to heart attacks, another 100,000 people experience a stroke and around 350,000 people live with peripheral arterial disease.
From BBC ● Mar. 31, 2026
The clouds parted, and the lightning’s true source revealed itself—not lightning at all, no, but fireworks bursting in arterial gushes of blue and crimson.
From "The City Beautiful" by Aden Polydoros
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“Which offered more land for parking, easier loading and unloading by trucks, convenient access to highways and arterials, and a development context for much larger stores.”
From Salon ● Mar. 24, 2024
On major paving projects of more than $1 million, usually on city arterials, crews must build a sidewalk on at least one side of the road if there is none already.
From Seattle Times ● Dec. 13, 2023
Interstate highways and wide arterials are now a defining feature of most metropolitan areas, their constant flow of cars spewing pollution into nearby neighborhoods.
From Science Daily ● Nov. 28, 2023
A whole levy could be spent just on repaving arterials or building sidewalks.
From Seattle Times ● Oct. 5, 2023
The urban forester’s desire for bigger canopies and the street designer’s plan for a real bus shelter cannot be overruled by the transportation department’s desire to keep traffic moving smoothly on urban arterials.
From Slate ● May 22, 2023
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.