Hospital
Definition 1 of 4
Pro Tip 1/3
Health Emergency
Used when immediate medical care is needed due to severe conditions. After the severe allergic reaction, he was taken to the hospital.
Pro Tip 2/3
No 'the' in UK
In British English, 'hospital' is often used without 'the' when talking about the general concept. She's been in hospital since Monday.
Pro Tip 3/3
Hospital Admission
Refers to the process of entering the hospital for treatment, not visiting. He had his hospital admission yesterday for the surgery.