- Usually adenoids. an enlarged mass of lymphoid tissue in the upper pharynx, often obstructing breathing through the nasal passages.
- of or relating to the lymph glands.
- of or relating to the adenoids.
Origin of adenoid
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for adenoids
One little boy held his hand up, saying, "She has adenoids."Five Lectures on Blindness
Kate M. Foley
Croup is most frequently associated with large tonsils and adenoids.
The adenoids can be easily demonstrated to either exist or be absent.
The presence of adenoids favors the development of ear complications.
The diet may be at fault; adenoids are supposed by some physicians to be the cause.
- a mass of lymphoid tissue at the back of the throat behind the uvula: when enlarged it often restricts nasal breathing, esp in young childrenTechnical name: pharyngeal tonsil
- of or resembling a gland
- of or relating to lymphoid tissue, as that found in the lymph nodes, spleen, tonsils, etc
- of or relating to the adenoids
C19: from Greek adenoeidēs. See adeno-, -oid
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
Word Origin and History for adenoids
Online Etymology Dictionary, © 2010 Douglas Harper
- A lymphoid tissue growth located at the back of the nose in the upper part of the throat that when swollen may obstruct normal breathing and make speech difficult.
- adenoids Hypertrophy of the pharyngeal tonsil resulting from chronic inflammation.
- Of, relating to, or resembling lymphatic glands or lymphatic tissue.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
- The small mass of lymphoid tissue located at the back of the nasal cavity. Swelling of the adenoids can block breathing through the nose.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Adenoids are sometimes surgically removed along with the tonsils if they are persistently inflamed (see inflammation).
Swollen adenoids give a distinctive nasal sound to the voice.
The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.