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English definition of “ethmoidal”

ethmoidal

adjective     /eθˈmɔɪd.əl/ US  /eθˈmɔɪ.dl̩/ specialized
relating to the ethmoid (= the bone that forms part of the nose and the eye sockets): ethmoidal air cells/arteriesBone structures
(Definition of ethmoidal adjective from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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