We found 5 dictionaries that define the word ethmoid sinuses:

General (2 matching dictionaries)

1. ethmoid sinuses: Wiktionary
2. ethmoid sinuses: TheFreeDictionary.com

Computing (1 matching dictionary)

3. ethmoid sinuses: Encyclopedia

Medicine (2 matching dictionaries)

4. Dorland's Illustrated Medical Dictionary (No longer online)
5. ethmoid sinuses: Medical dictionary

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