00:10
00:09
00:08
00:07
00:06
00:05
00:04
00:03
00:02
00:01
| an obscure term ostensibly referring to a lung disease caused by silica dust, sometimes cited as one of the longest words in the English language. |
| the estimation of something as valueless (encountered mainly as an example of one of the longest words in the English language). |
hydrocephalus hy·dro·ceph·a·lus (hī'drō-sěf'ə-ləs) or hy·dro·ceph·a·ly (-lē)
n.
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.
| hydrocephalus (hī'drō-sěf'ə-ləs) also hydrocephaly (hī'drō-sěf'ə-ləs) Pronunciation Key
A usually congenital condition in which an abnormal accumulation of cerebrospinal fluid in the cerebral ventricles causes enlargement of the skull and compression of and injury to brain tissue. If hydrocephalus becomes progressive, a shunt is surgically placed to reduce pressure by conducting fluid away from the brain, usually to the peritoneum. hydrocephalic adjective (hī'drō-sə-fāl'ĭk) |