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Related Terms:
Definitions:
Noun
                                                
                        
                            bell jar
                        
                                                
                        
                            bell glass
                        
                                                
                                                    
                
                    
                    Definition: a bell-shaped glass cover used to protect and display delicate objects or to cover scientific apparatus or to contain gases
Definition: A piece of laboratory equipment used for creating vacuums, often made of glass in a bell-like shape.