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eth·moid 'eth-.mȯid or eth·moi·dal eth-'mȯid-əl adj of, relating to, adjoining, or being one or more bones of the walls and septum of the nasal cavity
ethmoid n ETHMOID BONE
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eth·moid (ethґmoid) [Gr. ēthmos sieve + -oid] 1. perforated like a sieve; see os 2. ethmoidale . ethmoidal.Medical dictionary. 2011.