matrass
/ˈmætrəs/
noun
- A long-necked glass vessel used in chemistry for distillation or other laboratory processes.
- The student used a matrass to distill the mixture and collect the pure liquid.
- In the old laboratory, a dusty matrass sat on the shelf next to the beakers.
- The chemist carefully heated the matrass over the Bunsen burner.