ethmoid

American

[eth-moid] / ˈɛθ mɔɪd /

adjective

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

the ethmoid bone.

ethmoid British

/ ˈɛθmɔɪd /

adjective

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

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

noun

the ethmoid bone

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

postethmoid adjective

Etymology

Origin of ethmoid

1735–45; < Greek ēthmoeidḗs sievelike; -oid

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

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.

From US News

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

From Project Gutenberg

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

From Project Gutenberg

The ethmoid is large and has a flange laterally.

From Project Gutenberg

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.

From Project Gutenberg

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023