1. to expose to or treat with radiation
Usage: medical; scientific
2. to shine light on; to illuminate brightly
3. to give out rays of light or heat

Examples

• The doctor irradiates the tumor to destroy cancer cells.
• Food companies irradiate certain products to kill bacteria.
• The morning sun irradiates the entire valley.
• Her smile irradiates warmth and joy.
• The lighthouse irradiates a powerful beam across the water.
• The heating element irradiates warmth throughout the room.
• The star irradiates energy into space.