tube

(n) conduit consisting of a long hollow object (usually cylindrical) used to hold and conduct objects or liquids or gases tubing,
(n) electronic device consisting of a system of electrodes arranged in an evacuated glass or metal envelope electron tube, thermionic tube, thermionic vacuum tube, thermionic valve, vacuum tube,
(n) a hollow cylindrical shape pipe,
(n) (anatomy) any hollow cylindrical body structure tube-shaped structure,
(n) an electric railway operating below the surface of the ground (usually in a city)
- in Paris the subway system is called the "metro" and in London it is called the "tube" or the "underground"
metro, subway, subway system, underground,

(v) provide with a tube or insert a tube into
(v) convey in a tube
- inside Paris, they used to tube mail
(v) ride or float on an inflated tube
- We tubed down the river on a hot summer day
(v) place or enclose in a tube

tubing electron tube thermionic tube thermionic vacuum tube thermionic valve vacuum tube pipe tube-shaped structure metro subway subway system underground

tuba

tub tug tum tun tup tut tux

tuba tuck Tues tufa tuff tuft Tulu Tums tuna tune tung Tupi turd turf Turk turn TURP tush tusk tutu

tubed tube foot tubeless tubeless tire tubelike tube-nosed tube-nosed bat tube-nosed fruit bat Tuber Tuberaceae Tuberales tubercle tubercle bacillus tubercular Tubercularia Tuberculariaceae tuberculate tuberculin tuberculin skin test tuberculin test tuberculoid tuberculoid leprosy tuberculosis tuberculous tuberose tuberosity tuberous tuberous begonia tuberous plant tuberous vetch tuber root tube-shaped tube-shaped structure tube well tube wrench