squeeze tube
soft, squeezable container which can be used for thick liquids such as adhesive, caulking, ointment, and toothpaste
probe
medical tool
tubule
small tube
surgical drain
tube used to remove pus, blood or other fluids from a wound
spirit level vial
sealed vessel containing liquid and a bubble of air that is used as part of a spirit level
heat-shrink tubing
shrinkable plastic tube used to insulate wires