Hyalophagia or hyalophagy (from Greek hyalos = glass + phagein = to eat) is the eating of glass. Primarily a pathological disorder, it is also considered a form of pica. Hyalophagia is very dangerous as the sharp glass may wound the stomach, intestines, and throat as it passes through the system. Possible causes include vitamin or mineral deficien...
The eating or chewing of glass. ... Origin: hyalo-+ G. Phago, to eat ... (05 Mar 2000) ... 
Type: Term Pronunciation: hī′ă-lō-fā′jē-ă, hī-ă-lof′ă-jē Definitions: 1. The eating or chewing of glass.
hyalophagia, hyalophagy The eating or chewing of glass.