hydrocephalus
noun/ˌhaɪdrəʊˈsefələs/, /ˌhaɪdrəʊˈkefələs/
/ˌhaɪdrəʊˈsefələs/
[uncountable] (medical)- a disease, especially of young children, in which there is an increase in the amount of liquid inside the brain that causes an increase in the size of the head and sometimes damage to the brain
- Their little girl has been diagnosed with hydrocephalus.
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hydrocephalus