vacuum coffee maker
Coffee maker that brews coffee by causing the water to pass through the ground beans twice.
lower bowl
Compartment from which boiling water rises under pressure into the upper bowl, passing through the ground beans; the brewed coffee drains into it for serving.
stem
Conduit through which the hot water rises.
upper bowl
Compartment into which the brewed coffee rises and from which it drains into the lower bowl as the heat source cools.