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tetrabranchiate

[te-truh-brang-kee-it, -eyt] /ˌtɛ trəˈbræŋ ki ɪt, -ˌeɪt/
adjective
1.
belonging or pertaining to the Nautiloidea (Tetrabranchiata), a subclass or order of cephalopods with four gills, including the pearly nautilus and numerous fossil forms.
Origin
1825-1835
1825-35; tetra- + branchiate
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for tetrabranchiate

tetrabranchiate

adjective (ˌtɛtrəˈbræŋkɪɪt; -ˌeɪt)
1.
of, relating to, or belonging to the Tetrabranchiata, a former order of cephalopod molluscs having four gills and including the pearly nautilus
noun (ˌtɛtrəˈbræŋkɪˌeɪt)
2.
any mollusc belonging to the Tetrabranchiata
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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