Hemodialysis uses a special filter called a dialyzer that functions as an artificial kidney to clean your blood. The dialyzer is a canister connected to the hemodialysis machine.
seat noun (FURNITURE) A2 [ C ] a piece of furniture or part of a train, plane, etc. that has been designed for someone to sit on: Chairs, sofas and benches are different types of seat. Please have/take a seat (= sit down). A car usually has a driver's seat, a front/passenger seat and back/rear seats.
Wiktionary(0.00 / 0 votes)Rate this definition: 1  sitting(Noun) a period during which one is seated for a specific purpose. 2  sitting(Noun) a legislative session. 3  sitting(Noun) the act (of a bird) of incubating eggs; the clutch of eggs under a brooding bird. 4  sitting(Adjective) executed from a sitting position.