tube

1. n. A hollow cylinder, of any material, used for the conveyance of fluids, and for various other purposes; a pipe. Source: opted

2. n. A telescope. Source: opted

3. n. A vessel in animal bodies or plants, which conveys a fluid or other substance. Source: opted

4. n. The narrow, hollow part of a gamopetalous corolla. Source: opted

5. n. A priming tube, or friction primer. See under Priming, and Friction. Source: opted

6. n. A small pipe forming part of the boiler, containing water and surrounded by flame or hot gases, or else surrounded by water and forming a flue for the gases to pass through. Source: opted

7. n. A more or less cylindrical, and often spiral, case secreted or constructed by many annelids, crustaceans, insects, and other animals, for protection or concealment. See Illust. of Tubeworm. Source: opted

8. n. One of the siphons of a bivalve mollusk. Source: opted

9. v. t. To furnish with a tube; as, to tube a well. Source: opted

10. n. conduit consisting of a long hollow object (usually cylindrical) used to hold and conduct objects or liquids or gases Source: wordnet

11. n. electronic device consisting of a system of electrodes arranged in an evacuated glass or metal envelope Source: wordnet

12. n. a hollow cylindrical shape Source: wordnet

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