A small cylindrical vessel used to heat substances in the flame of a Bunsen burner.

plural of tulip tree

A tube for withdrawing a sample of liquid from a cask.

(inorganic chemistry) An analytical technique in which a sample is heated in a sealed tube, volatile metals being removed by sublimation to a cooler part of the tube from where they can be removed and weighed

The procedure of tying the Fallopian tubes for the purpose of contraception.

The cardboard tube at the centre of a roll of toilet paper.

plural of tub wheel

In water-powered mills, a horizontal water wheel used to power a grinding stone set in a tub; usually in the form of a short cylinder turned by the impact of one or more streams of water striking against vanes attached radially to the wheel.

(nautical) To incline inward, as the sides of a vessel, above the bends or extreme breadth.

A glass tube for selecting a microscopic object in a fluid.