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Definition of Mastoid
1. Adjective. Of or relating to or in the region of the mastoid process.
2. Noun. Process of the temporal bone behind the ear at the base of the skull.
Exact synonyms: Mastoid Bone, Mastoid Process, Mastoidal
Terms within: Mastoidale
Group relationships: Os Temporale, Temporal Bone
Generic synonyms: Appendage, Outgrowth, Process
Terms within: Mastoidale
Group relationships: Os Temporale, Temporal Bone
Generic synonyms: Appendage, Outgrowth, Process
3. Adjective. Relating to or resembling a nipple.
Definition of Mastoid
1. a. Resembling the nipple or the breast; -- applied specifically to a process of the temporal bone behind the ear.
Definition of Mastoid
1. Adjective. Of or relating to the mastoid process. ¹
2. Noun. (anatomy) The mastoid process. ¹
3. Adjective. Shaped like a breast or nipple. ¹
¹ Source: wiktionary.com
Definition of Mastoid
1. the rear portion of the temporal bone [n -S]
Medical Definition of Mastoid
1. A bony process off the base of the skull that is composed of air cells. Inflammation of the mastoid is known as mastoiditis. (27 Sep 1997)