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Another word for tube

  1. A hollow cylinder

      1. An underground urban railroad, usually operated by electricity.
      2. A passage for such a railroad.
      3. An underground tunnel or passage, as for a water main or for pedestrians.
      1. To come into view as a massive, distorted, or indistinct image:
      2. To appear to the mind in a magnified and threatening form:
      3. To seem imminent; impend:
      1. An underground or underwater passage.
      2. A passage through or under a barrier such as a mountain.
      3. A tube-shaped structure.
      1. Tubes considered as a group.
      2. A system of tubes.
      3. A piece or length of tube.
      1. A clear, cylindrical glass tube usually open at one end and rounded at the other, used in laboratory experimentation.
      1. Stockings; socks. Used only in the plural.
      2. Close-fitting breeches or leggings reaching up to the hips and fastened to a doublet, formerly worn by men. Used only in the plural.
      3. Breeches reaching down to the knees. Used only in the plural.
      1. A pipe or channel for conveying fluids, such as water.
      2. A tube or duct for enclosing electric wires or cable.
      3. A means by which something is transmitted:
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  2. A pliable container

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  3. An electronic device

      1. A sealed enclosure, either highly evacuated or containing a controlled quantity of gas, in which electrons can be made sufficiently mobile to act as the principal carriers of current between at least one pair of electrodes.
      1. An electron tube from which all or most of the gas has been removed, permitting electrons to move with low interaction with any remaining gas molecules.
      1. A narrow confining room, as in a prison or convent.
      2. A small enclosed cavity or space, such as a compartment in a honeycomb or within a plant ovary or an area bordered by veins in an insect's wing.
      3. The smallest structural unit of an organism that is capable of independent functioning, consisting of cytoplasm, usually one nucleus, and various other organelles, all surrounded by a semipermeable cell membrane.