arterial

1 of 2

adjective

ar·​te·​ri·​al är-ˈtir-ē-əl 

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

arterially

är-ˈtir-ē-ə-lē 

adverb

arterial

2 of 2

noun

: a through street or highway

Synonyms

Noun

• highway
• road
• thoroughfare
• street
• artery
• freeway
• route
• expressway
• carriageway [British]
• roadway
• boulevard
• turnpike

Examples of arterial in a Sentence

Noun

one of the main arterials connecting the airport with the city

Recent Examples on the Web

Adjective

Days later, Luka got an arterial line infection, causing septic shock. —Alyce Collins, MSNBC Newsweek, 7 Sep. 2025

What's more, inside the plaques themselves, the number of monocytes was cut by 81%, compared with untreated mice, and the genes that normally drive inflammation inside the arterial walls were dialed down. —New Atlas, 26 Aug. 2025

Noun

Barbabella said that there was no evidence of deep vein thrombosis or arterial disease, and that all laboratory testing results were within normal limits. —Jenna Sundel gabe Whisnant, MSNBC Newsweek, 2 Sep. 2025

Tensor will not be able to drive every street upon release, but plans to handle a worthwhile subset, such as highways and arterials in non-snowy places. —Brad Templeton, Forbes.com, 13 Aug. 2025

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

Phrases Containing arterial

• intra-arterial

Rhymes for arterial

• bacterial
• ethereal
• funereal
• imperial
• material
• sidereal
• venereal
• antibacterial
• biomaterial
• mycobacterial
• cereal
• virial

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

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

arterially

-ē-ə-lē 

adverb