a. - Glassy; resembling glass; consisting of glass; transparent, like crystal.
n. - A poetic term for the sea or the atmosphere.
n. - The pellucid substance, present in cells in process of development, from which, according to some embryologists, the cell nucleous originates.
n. - The main constituent of the walls of hydatid cysts; a nitrogenous body, which, by decomposition, yields a dextrogyrate sugar, susceptible of alcoholic fermentation.