Hyaline

Part of speech: noun (n.)

1. A poetic term for the sea or the atmosphere. "The clear hyaline, the glassy sea." Milton. Our blood runs amazed 'neath the calm hyaline. Mrs. Browning.

2. The pellucid substance, present in cells in process of development, from which, according to some embryologists, the cell nucleous originates.

3. The main constituent of the walls of hydatid cysts; a nitrogenous body, which, by decomposition, yields a dextrogyrate sugar, susceptible of alcoholic fermentation. Gamgee.

Part of speech: adjective (a.)

Glassy; resembling glass; consisting of glass; transparent, like crystal. "Hyaline spaces." Carpenter.