Definition of 'air bladder'
Word Frequency
air bladder
noun
1. Also called : swim bladder ichthyology
2.
any air-filled sac, such as one of the bladders of seaweeds
Collins English Dictionary. Copyright © HarperCollins Publishers
Word Frequency
air bladder in American English
a sac with air or gas in it, found in most fishes and in other animals and some plants
: also air cellWebster’s New World College Dictionary, 4th Edition. Copyright © 2010 by
Houghton Mifflin Harcourt. All rights reserved.
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