paediatrics (Br.)/paediatrics (Am.) (noun) – medical care for children
paediatrician/pediatrist (noun) – a doctor for children
paediatric/pediatric (adjective) – connected to medical care for children
After finishing his internship in paediatrics, Edwin became even more interested in child development.
When Loretta was only 12 months, his paediatrician diagnosed her with autism.
– I’m looking for my nephew who has child diabetes. – The pediatric ward* is over there.
* ward = department in a hospital