Transfusion/trænsˈfjuːʒn/ Definition 1 of 2Pro Tip 1/3Medical Procedure Refers specifically to medical contexts, often involving patients and healthcare settings. After the surgery, the doctor ordered a transfusion. Pro Tip 2/3Emergency Situations Commonly used in urgent medical scenarios where rapid response is critical. Following the car crash, an emergency transfusion was performed roadside. Pro Tip 3/3Technical Term As a technical term, it might be unfamiliar or misunderstood in everyday conversation. I learned the term 'transfusion' in my first-aid class today.