small, cylindrical container transparent glass or plastic a narrow neck with a rubber bulb at the top markings on the side indicating measurements a long, thin nozzle or pipette at the top a rubber stopper or lid at the bottom
dropper which has small, cylindrical container dropper which has transparent glass or plastic dropper which is a narrow neck with a rubber bulb at the top dropper which has markings on the side indicating measurements dropper which is a long, thin nozzle or pipette at the top dropper which is a rubber stopper or lid at the bottom