ethmoid

[eth-moid]

adjective

1. Also ethmoidal of or relating to a bone at the base of the cranium and the root of the nose, containing numerous perforations for the filaments of the olfactory nerve.

noun

1. the ethmoid bone.

ethmoid

/ ˈɛθmɔɪd /

adjective

1. denoting or relating to a bone of the skull that forms part of the eye socket and the nasal cavity

noun

1. the ethmoid bone

Other Word Forms

• postethmoid adjective

Word History and Origins

Origin of ethmoid¹

1735–45; < Greek ēthmoeidḗs sievelike; -oid

Word History and Origins

Origin of ethmoid¹

C18: from Greek ēthmoeidēs like a sieve, from ēthmos sieve, from ēthein to sift

Example Sentences

That fingertip is pointing to the ethmoid sinuses – a network of five to 10 small chambers that run horizontally front-to-back between the bridge of your nose and your eye sockets.

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The needle had not entered the brain, but the ethmoid was very much injured.

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Moderately long narrowest anteriorly and posteriorly; not attached to ethmoid.

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The ethmoid is large and has a flange laterally.

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His description of the lachrymal passages in the eye was a marked advance on those of his predecessors, and he also gave a detailed account of the ethmoid bone and its cells in the nose.

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