: a through street or highway
Synonyms of arterial
Examples of arterial in a Sentence
Noun
one of the main arterials connecting the airport with the city
Recent Examples on the Web
Farren Fei Yuan, Artforum, 1 Feb. 2026
The analyst noted that positive data from a phase 2 trial for TPIP, which targets pulmonary arterial hypertension and related conditions, could position it as a best-in-class therapy and add meaningful long-term upside if later-stage trials are successful.
—Lisa Kailai Han, CNBC, 23 Jan. 2026
Michele Laufik, Martha Stewart, 6 Jan. 2026
The budding link between breast arterial calcification, also called vascular calcification, and heart disease is just that.
—Lindsey Leake, NBC news, 3 Jan. 2026
See All Example Sentences for arterial
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Adjective
Another factor was that the car’s software struggled to classify the victim (who was pushing a bicycle across an arterial road) as human and therefore failed to predict her movement sufficiently in advance of the crash.
—Farren Fei Yuan, Artforum, 1 Feb. 2026
The analyst noted that positive data from a phase 2 trial for TPIP, which targets pulmonary arterial hypertension and related conditions, could position it as a best-in-class therapy and add meaningful long-term upside if later-stage trials are successful.
—Lisa Kailai Han, CNBC, 23 Jan. 2026
Noun
Rarely, salmonella can result in more serious ailments, including arterial infections, endocarditis, arthritis, muscle pain, eye irritation, and urinary tract symptoms.
—Michele Laufik, Martha Stewart, 6 Jan. 2026
The budding link between breast arterial calcification, also called vascular calcification, and heart disease is just that.
—Lindsey Leake, NBC news, 3 Jan. 2026
See All Example Sentences for arterial
Cite this Entry
“Arterial.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/arterial. Accessed 5 Feb. 2026.
Copy CitationMedical Definition
arterial
adjective
ar·te·ri·al
är-ˈtir-ē-əl 
1
: of or relating to an artery
2
: relating to or being the bright red blood present in most arteries that has been oxygenated in lungs or gills compare venous sense 3
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