hyaline

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 ]