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Added 10 October 2026

radiate

/ˈɹeɪdieɪt/ verb

Latin root: radiātus Wiktionary

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

Send out rays or waves.
The sun radiates heat
Send out real or metaphoric rays.
She radiates happiness
Extend or spread outward from a center or focus or inward towards a center.
spokes radiate from the hub of the wheel

adjective

Arranged like rays or radii; radiating from a common center.
radial symmetry
Having rays or ray-like parts as in the flower heads of daisies.

Origin

Learned borrowing from Latin radiātus, perfect passive participle of radiō (“to radiate, furnish with spokes, give out rays, radiate, shine”) (see -ate (verb-forming suffix)), from radius (“a spoke, ray”).

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

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