Dictionary.com
Thesaurus.com

mastoid

American  
[mas-toid] / ˈmæs tɔɪd /

adjective

Anatomy.
  1. of or relating to the mastoid process.

  2. resembling a breast or nipple.


noun

  1. the mastoid process.

mastoid British  
/ ˈmæstɔɪd /

adjective

  1. shaped like a nipple or breast

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

"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

  1. the mastoid process

  2. 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

Other Word Forms


Etymology

Origin of mastoid

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

See Examples For:

In part, the look of those “big eyes” was informed by a mastoid operation that permanently damaged Ms. Keane’s hearing when she was 2.

From Washington Post ● Jun. 29, 2022

From childhood, when a mastoid operation resulted in permanent eardrum damage and hearing loss, she had been fascinated with eyes, watching for cues to amplify what was being said.

From New York Times ● Jun. 28, 2022

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.

From Salon ● Jan. 17, 2022

A vibrating tuning fork is placed on the mastoid process and the patient indicates when the sound produced from this is no longer present.

From Textbooks ● Jun. 19, 2013

So far, aside from one scare—at five, Milton had nearly died from a mastoid infection— they had both been healthy.

From "Middlesex: A Novel" by Jeffrey Eugenides

Random Word

Spin the wheel and learn a new word!

Get a word

Vocabulary.com logo
by dictionary.com

Join 14,000,000 vocabulary learners

Start learning new words today on VocabTrainer.
You'll remember them forever.

Start training