Word Study
hydrocephalus
CIDE DICTIONARY
hydrocephalus, n. [NL., fr. Gr. hydrocephalus; "y`dwr water + head.].
An accumulation of liquid within the cavity of the cranium, especially within the ventricles of the brain; dropsy of the brain. It is due usually to tubercular meningitis. When it occurs in infancy, it often enlarges the head enormously. [1913 Webster]
OXFORD DICTIONARY
hydrocephalus, n. Med. an abnormal amount of fluid within the brain, esp. in young children, which makes the head enlarge and can cause mental deficiency.
Derivative
hydrocephalic adj.
ROGET THESAURUS
hydrocephalus
Expansion
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