1. the process of exposing something to radiation, especially for medical treatment or food preservation
Usage: medical; scientific
2. the emission or spreading out of rays of light, heat, or energy from a source
Usage: physics

Examples

• The cancer patient underwent multiple irradiations as part of her treatment plan.
• Food irradiations help extend shelf life by killing harmful bacteria.
• The irradiations from the sun provide energy for photosynthesis.
• Medical irradiations must be carefully controlled to avoid damaging healthy tissue.
• The physicist studied the irradiations emitted by radioactive materials.
• Gamma irradiations are commonly used to sterilize medical equipment.