hydrocephalus

== English == === Etymology === Borrowed from Ancient Greek ὑδροκέφαλον (hudroképhalon). === Pronunciation === === Noun === hydrocephalus (usually uncountable, plural hydrocephaluses or hydrocephali) (medicine) A usually congenital condition in which an abnormal accumulation of fluid in the cerebral ventricles causes enlargement of the skull and compression of the brain, destroying much of the neural tissue. ==== Synonyms ==== water on the brain (informal) ==== Derived terms ==== ==== Translations ====