*haloid*

n. An encephaloid cancer. [ 1913 Webster ]

a. [ Gr. 'egke`falos + -oid. ] Resembling the material of the brain; cerebriform. [ 1913 Webster ]

Encephaloid cancer (Med.), a very malignant form of cancer of brainlike consistency. See under Cancer. [ 1913 Webster ]

a. [ Gr. "a`ls, "alo`s salt + -oid: cf. F. haloïde. ] (Chem.) Resembling salt; -- said of certain binary compounds consisting of a metal united to a negative element or radical, and now chiefly applied to the chlorides, bromides, iodides, and sometimes also to the fluorides and cyanides. -- n. A haloid substance. [ 1913 Webster ]

a. [ Hydrocephalus + -oid. ] (Med.) Resembling hydrocephalus. [ 1913 Webster ]

Hydrocephaloid affection (Med.), the group of symptoms which follow exhausting diarrhea in young children, resembling those of acute hydrocephalus, or tubercular meningitis. [ 1913 Webster ]