adjective. 
                    Consisting of, or resembling, glass; glassy.
                  
                
                  
                    adjective. 
                    Of or pertaining to glass; derived from glass.
                  
                
                  
                    adjective. 
                    the vitreous humor. See the Note under Eye.
                  
                
                  
                    adjective. 
                    the kind of electricity excited by rubbing glass with certain substances, as silk; positive electricity; -- opposed to resinous, or negative, electricity.
                  
                
                  
                    adjective. 
                    See the Note under Eye.
                  
                
                  
                    adjective. 
                    any one of numerous species of siliceous sponges having, often fibrous, glassy spicules which are normally six-rayed; a hexactinellid sponge. See Venus's basket, under Venus.