An abnormal condition in which cerebrospinal fluid collects in the ventricles of the brain; in infants it can cause abnormally rapid growth of the head and bulging fontanelles and a small face; in adults the symptoms are primarily neurological.

synonym: hydrocephaly.

Roget 194: expansion; increase of size etc. 35; enlargement, extension, augmentation; amplification, ampliation^†; aggrandizement, spread, increment, growth, development, pullulation, swell, dilation, rarefaction; turgescence^†, turgidness, turgidity; dispansion^†; obesity etc. (size) 192; hydrocephalus, hydrophthalmus [Med.]; dropsy, tumefaction, intumescence, swelling, tumor, diastole, distension; puffing, puffiness; inflation; pandiculation^†.    dilatability, expansibility.    germination, growth, upgrowth^†; accretion etc. 35; budding, gemmation^†.    overgrowth, overdistension^†; hypertrophy, tympany^†.    bulb etc. (convexity) 250; plumper; superiority of size.    [expansion of the universe] big bang; Hubble constant.    ... show more

Dutch: waterhoofd
Polish: wodogłowie, wodomózgowie, hydrocefalia