n. a glassy translucent material that occurs in hyaline cartilage or in certain skin conditions.
Syn. -- hyaline. [ WordNet 1.5 ]

a. [ L. hyalinus, Gr. &unr_;, fr. "y`alos glass: cf. F. hyalin.] Glassy; resembling glass; consisting of glass; transparent, like crystal. “Hyaline spaces.” Carpenter. [1913 Webster]

n. 1. A poetic term for the sea or the atmosphere. “The clear hyaline, the glassy sea.” Milton. [ 1913 Webster ]

Our blood runs amazed 'neath the calm hyaline. Mrs. Browning. [ 1913 Webster ]

2. (Biol.) The pellucid substance, present in cells in process of development, from which, according to some embryologists, the cell nucleus originates. [ 1913 Webster ]

3. (Physiol. Chem.) The main constituent of the walls of hydatid cysts; a nitrogenous body, which, by decomposition, yields a dextrogyrate sugar, susceptible of alcoholic fermentation. Gamgee. [ 1913 Webster ]