mastoid

[ mas-toid ]

/ ˈmæs tɔɪd /

Save This Word!

adjective Anatomy.

of or relating to the mastoid process.

resembling a breast or nipple.

noun

the mastoid process.

QUIZ

CAN YOU ANSWER THESE COMMON GRAMMAR DEBATES?

There are grammar debates that never die; and the ones highlighted in the questions in this quiz are sure to rile everyone up once again. Do you know how to answer the questions that cause some of the greatest grammar debates?

Question 1 of 7

Which sentence is correct?

His boss, whom he admires, is waiting to meet with him about the big project.

His boss, who he admires, is waiting to meet with him about the big project.

TAKE THE QUIZ TO FIND OUT

Origin of mastoid

1725–35; <New Latin mastoīdēs<Greek mastoeidḗs.See masto-, -oid

OTHER WORDS FROM mastoid

in·ter·mas·toid, adjectivepost·mas·toid, adjective

Words nearby mastoid

mastitis, masto-, mastocarcinoma, mastocytosis, mastodon, mastoid, mastoidectomy, mastoiditis, mastoid process, mastopathy, mastopexy

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use mastoid in a sentence

So the researchers applied sound tones to the implants, natural teeth and mastoid bones of 38 people with hearing loss and a single dental implant.
False teeth could double as hearing aids|James R. Riordon|September 28, 2022|Science News
The Hopkins researchers eventually found the genetic signature of the SARS-CoV-2 coronavirus in two of the three cadavers, confirming that the virus can make its way to the middle ear and mastoid.
Inside the lab using bones to study COVID and hearing loss|Elizabeth Landau / Undark|January 20, 2022|Popular-Science
From the mastoid they created a 2-millimeter opening—roughly the width of a spaghetti noodle—into the middle ear.
Inside the lab using bones to study COVID and hearing loss|Elizabeth Landau / Undark|January 20, 2022|Popular-Science
Paramastoid, par-a-mas′toid, adj. situated near the mastoid, paroccipital.
Chambers's Twentieth Century Dictionary (part 3 of 4: N-R)|Various

When the grafting is done at the completion of the mastoid operation.
A System of Operative Surgery, Volume IV (of 4)|Various
This will diminish the risk of septic infection from the mastoid cavity.
A System of Operative Surgery, Volume IV (of 4)|Various
She had what the doctors term a "mastoid abscess" pressing upon her brain in the neighbourhood of her ear.
The Strand Magazine, Volume I, Issue 2, February 1891|Various
This is done in the same manner as in the early stage of the complete mastoid operation (see p. 397).
A System of Operative Surgery, Volume IV (of 4)|Various

British Dictionary definitions for mastoid

mastoid

/ (ˈmæstɔɪd) /

adjective

shaped like a nipple or breast

designating or relating to a nipple-like process of the temporal bone behind the ear

noun

the mastoid process

informal mastoiditis

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