A glass vessel, varying in size, open at the bottom and closed at the top like a bell, and having a knob or handle at the top for lifting it
A cylindrical glass vessel with a rounded top and an open base, used to protect and display fragile objects or to establish a vacuum or a controlled atmosphere in scientific experiments
a bell-shaped glass cover used to protect and display delicate objects or to cover scientific apparatus or to contain gases
It is used for a great variety of purposes; as, with the air pump, and for holding gases, also for keeping the dust from articles exposed to view
{i} bell-shaped glass jar or cover for displaying and protecting delicate objects; bell-shaped glass container (closed at top and open at bottom) used in laboratories for keeping gases or vacuum under control during vacuum and chemical experiments