un vented

Science Dictionary
vent   (věnt)  Pronunciation Key 
  1. An opening, and the conduit leading to it, in the side or at the top of a volcano, permitting the escape of fumes, a liquid, a gas, or steam.

    1. The excretory opening of the digestive tract in animals such as birds, reptiles, amphibians, and fish. Also called cloaca.

    2. See cloaca.


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Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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