1. to expose to radiation or radioactive rays
Usage: often used in medical or scientific contexts
2. to treat food with radiation to kill bacteria and preserve it
Usage: food processing term
3. to shine light on something; to illuminate brightly
Usage: literary or formal

Examples

• Doctors irradiate cancer cells to destroy tumors.
• The company irradiates spices to eliminate harmful bacteria.
• Many fruits are irradiated before shipping to extend shelf life.
• The morning sun irradiated the entire valley.
• Scientists irradiate samples in the laboratory for research.
• The treatment will irradiate the affected tissue.
• Golden light irradiated the cathedral windows.