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WordReference Random House Learner's Dictionary of American English © 2024ra•di•ate /ˈreɪdiˌeɪt/USA pronunciation v., -at•ed, -at•ing. - Physics to go out, spread, or move like rays or lines from a center point outward:[no object]The main avenues in Paris radiate from the center.
- Physicsto give off rays, as of light or heat: [no object]Energy radiates from the sun.[~ + object]The sun radiates energy.
- (of persons) to (cause to) give off or glow with cheerfulness, joy, goodwill, etc.: [no object]Confidence radiated from her.[~ + object]She radiated confidence.
WordReference Random House Unabridged Dictionary of American English © 2024ra•di•ate (v. rā′dē āt′;adj. rā′dē it, -āt′),USA pronunciation v., -at•ed, -at•ing, adj. v.i. - Physicsto extend, spread, or move like rays or radii from a center.
- Physicsto emit rays, as of light or heat;
irradiate. - Physicsto issue or proceed in rays.
- (of persons) to project or glow with cheerfulness, joy, etc.:She simply radiates with good humor.
v.t. - Physicsto emit in rays;
disseminate, as from a center. - (of persons) to project (joy, goodwill, etc.).
adj. - radiating from a center.
- having rays extending from a central point or part:a coin showing a radiate head.
- radiating symmetrically.
- Latin radiātus (past participle of radiāre to radiate light, shine). See radiant, -ate1
- 1610–20
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