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What do a.m. and p.m. stand for?

swim bladder

noun
1.
air bladder (def 2).
Origin of swim bladder
1830-1840
1830-40
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for swim bladder
  • The first two sounds are produced by muscles contracting around the fish's swim bladder.
  • The lack of swim bladder inflation is a major problem in the intensive culture of several species of larval fish.
  • Burping is a method of expelling excess air from the fish's swim bladder.
  • The swim bladder has inflated and fish are feeding successfully or the fish dies.
  • The peak pressure will determine whether the swim bladder and ear are subjected to extreme mechanical stress.
  • Bluegills did not suffer swim bladder rupture in any tested scenarios.
  • Males produce a croaking sound by vibrating specially adapted muscles against their swim bladder.
  • They can survive in water with low oxygen levels because their unusual swim bladder allow them to breathe oxygen from the air.
  • Unlike other fish, sharks do not have a swim bladder to give them buoyancy.
  • Samples are taken primarily from kidney, spleen and the swim bladder tissues.
British Dictionary definitions for swim bladder

swim bladder

noun
1.
(ichthyol) another name for air bladder (sense 1)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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swim bladder in Science
swim bladder
  (swĭm)   
See air bladder.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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9
10
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