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Added 10 October 2026

radial

/ˈɹeɪdi.əl/ noun

Latin root: radiālis Wiktionary

noun Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about radial at Wordnik → Where our words come from →

Pneumatic tire that has radial-ply casing.

adjective

Relating to or near the radius.
the radial aspect of the forearm
Relating to or moving along or having the direction of a radius.
radial velocity
Issuing in rays from a common center; relating to rays of light.
radial heat

Origin

From Medieval Latin radiālis (“radial”), from Latin radius. By surface analysis, radius + -al.

From Wiktionary, via Kaikki.org (CC BY-SA)

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