Any of various insoluble substances related to mucoids occurring in structures such as cartilage, vitreous humor, and hydatid cysts and yielding sugars on hydrolysis.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Examples from the Web for hyalogen
Historical Examples of hyalogen
Some consider it a regular metal, but it is usually called a "hyalogen" or glass former like Boron.The White Spark
Orville Livingston Leach