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Comprehensive
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fuel injection any of several systems by which fuel is sprayed directly into an engine's combustion chamber. [1/2 definitions]
holy of holies the inner chamber of the Jewish tabernacle and temple, that housed the ark of the covenant. [1/2 definitions]
iron lung a large metal chamber in which the body can be enclosed up to the neck, that maintains artificial respiration by means of alternating pulses of high and low pressure, used esp. for polio victims.
kaleidoscope a rotating tube in which changing symmetrical forms are created by the reflection, in mirrors set at angles to each other, of small bits of colored class moving in a chamber at one end of the tube. [1/2 definitions]
manifold a pipe or chamber with many outlets or connections. [1/6 definitions]
mastaba an ancient Egyptian tomb, built over a mummy chamber or burial pit, which has a rectangular base, inwardly sloping sides, and a flat roof.
oxygen tent a transparent, tentlike enclosure that is fitted around the head and shoulders of a bedridden patient to form a chamber into which oxygen can be released.
President Pro Tempore the second-highest ranking officer of the Senate, elected by the members of the Senate and customarily the most senior member of the majority party, who, in the absence of the Vice President, officially presides over the Senate chamber.
press gallery a section in a chamber, esp. of a legislature, reserved for members of the news media.
repository a burial chamber; tomb. [1/3 definitions]
sanctum sanctorum the innermost or most holy chamber of the ancient temple in Jerusalem; holy of holies. [1/2 definitions]
sounding board a thin board that forms part of the resonant chamber of a musical instrument such as a piano, and that enhances its tone. [1/3 definitions]
sponson a structure projecting from the side of a ship or boat, esp. a gun platform, or an air chamber on the gunwale of a canoe that prevents capsizing. [1/2 definitions]
stove1 a similar apparatus or chamber that provides heat for some specialized purpose. [1/2 definitions]
tanning bed an enclosed chamber in which one tans one's skin by lying on a transparent surface bathed in ultraviolet light rays.
usher one who acts as a doorkeeper, as in a legislative chamber. [1/6 definitions]
vault1 a room, chamber, or passage with an arched roof or ceiling, esp. when underground. [2/7 definitions]
Wankel engine an internal combustion engine that features a triangular rotor revolving in a chamber, and that requires fewer moving parts and is lighter and less efficient than a piston-driven engine.
wind tunnel a chamber through which air is forced and in which planes, motor vehicles, and the like, or scale models of them, are tested to determine the effects of wind pressure.