mastoid process
Save This Word!
noun
a large, bony prominence on the base of the skull behind the ear, containing air spaces that connect with the middle ear cavity.
QUIZZES
QUIZ YOURSELF ON “ITS” VS. “IT’S”!
Apostrophes can be tricky; prove you know the difference between it’s and its in this crafty quiz!
Question 1 of 12
On the farm, the feed for chicks is significantly different from the roosters’; ______ not even comparable.
Also called mastoid, mastoid bone .
Origin of mastoid process
First recorded in 1725–35
Words nearby mastoid process
mastoideocentesis, mastoid foramen, mastoiditis, mastoidotomy, mastoid part, mastoid process, mastoid sinus, masto-occipital, mastoparietal, mastopathy, mastopexy
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
Example sentences from the Web for mastoid process
What Is “GOP” Short For?
“Affect” vs. “Effect”: Use The Correct Word Every Time
“Vaccinate” vs. “Inoculate” vs. “Immunize”: What Are The Differences?
What Is The Difference Between “It’s” And “Its”?
Where Does The Name “Saturday” Come From?
“Effectiveness” vs. “Efficacy” vs. “Efficiency”: When To Use Each Word For The Best Results
Medical definitions for mastoid process
mastoid process
n.
A conical protuberance of the posterior portion of the temporal bone that is situated behind the ear and serves as a site of muscle attachment.mastoid bone
The part of the first pharyngeal arch in the embryo, developing into the upper jaw in the embryo.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Scientific definitions for mastoid process
mastoid process
[ măs′toid′ ]
A protruding bony area in the lower part of the skull that is located behind the ear in humans and many other vertebrates and serves as a site of muscle attachment. The mastoid process contains small air-filled cavities called mastoid cells that communicate with the middle ear.
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.