arterial

1 of 2

adjective

Synonyms of arterialnext
1
a
: of or relating to an artery
b
: relating to or being the bright red blood present in most arteries that has been oxygenated in lungs or gills
2
: of, relating to, or constituting through traffic

arterial

2 of 2

noun

: a through street or highway

Examples of arterial in a Sentence

Noun one of the main arterials connecting the airport with the city
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Adjective
An Australian trial called TIM-TAM will test whether using breast arterial calcification to guide care improves measures of heart health. — Matthew Nudy, The Conversation, 5 Nov. 2026 So did their mean arterial pressure, which measures blood pressure throughout the cardiac cycle. — Maggie Ryan, Flow Space, 29 Oct. 2026
Noun
In the case of breast arterial calcification, the calcium lies mainly in the artery’s muscular wall, where it is associated with blood vessel stiffening. — Matthew Nudy, The Conversation, 5 Nov. 2026 Routine mammograms can show breast arterial calcifications (BACs), which are calcium deposits in the vessels of the breast. — Ava Tsapatsaris, ABC News, 1 Oct. 2026 See All Example Sentences for arterial

Word History

Etymology

Adjective

Middle English, borrowed from Middle French and Medieval Latin; Middle French arterial, borrowed from Medieval Latin artēriālis, from Latin artēria — more at artery + -ālis -al entry 1

Noun

noun derivative of arterial entry 1

First Known Use

Adjective

15th century, in the meaning defined at sense 1a

Noun

1920, in the meaning defined above

Time Traveler
The first known use of arterial was in the 15th century

Browse Nearby Words

Cite this Entry

“Arterial.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/arterial. Accessed 14 Nov. 2026.

Kids Definition

arterial

adjective
ar·​te·​ri·​al
är-ˈtir-ē-əl
1
a
: of or relating to an artery
b
: being the bright red oxygen-rich blood present in most arteries
2
: of, relating to, or being routes for through traffic
arterial highways
arterially
-ē-ə-lē
adverb

Medical Definition

arterial

adjective
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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