Technology / Aviation / Venturi Tube: A small, hourglass-shaped metal tube, usually set laterally on a fuselage in the slipstream to create suction for gyroscopic panel instruments. Now outdated by more sophisticated means.
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Technology / Motors / Tube Cooled: A motor in which heat is dissipated by air-to-air heat exchange. MORE
Science / Biology / Tube Nucleus: One of the cells in the male gametophyte in seed plants. The tube nucleus grows through the stigma, style, and into the ovule, clearing the way for the sperm nuclei to enter the embryo sac. MORE
Technology / Home Audio / Tube (Enclosure): A type of woofer enclosure consisting of a long tube with a woofer at one end, and a port or Passive Radiator at the other. A good low-end reproducer, this design is very compact and generally used in MORE
Science / Marine Biology / Tentacle-Tube-Foot Suspension Feeder: Suspension feeder that traps particles on distinct tentacles or tube feet (in echinoderms) MORE
Business / Construction / Sonotube: Round, large cardboard tubes designed to hold wet concrete in place until it hardens. MORE
Science / Biology / Tube-Within-A-Tube System: A type of body plan in animals. The organism has two openings&emdash;one for food and one for the elimination of waste&emdash;and a specialized digestive system. MORE