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Definition of cochlea noun from the Oxford Advanced Learner's Dictionary

cochlea

noun
 
/ˈkɒkliə/
 
/ˈkəʊkliə/,
 
/ˈkɑːkliə/
(plural cochleae
 
/ˈkɒkliiː/
 
/ˈkəʊkliiː/,
 
/ˈkɑːkliiː/
)
(anatomy)
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  1. a small curved tube inside the ear that contains a small part that sends nerve signals to the brain when sounds cause it to vibrateTopics Bodyc2
    Word Originmid 16th cent. (used to denote spiral objects): from Latin, ‘snail shell or screw’, from Greek kokhlias. The current sense dates from the late 17th cent.
See cochlea in the Oxford Advanced American Dictionary
hat-trick
noun
 
 
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