adenoid [ ad-n-oid ] SHOW IPA / ˈæd nˌɔɪd / PHONETIC RESPELLING noun Usually adenoids. an enlarged mass of lymphoid tissue in the upper pharynx, often obstructing breathing through the nasal passages. adjective of or relating to the lymph glands. of or relating to the adenoids. RELATED WORDS snout
smeller Nearby words adenofibromyoma
adenoid cystic carcinoma
adenoid squamous cell carcinoma
adenoidal Origin of adenoid
dating back to
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for adenoids
Some girl with
adenoids here the other night been studying 'Einstein'.
The diet may be at fault;
adenoids are supposed by some physicians to be the cause.
"I'm afraid she has
adenoids, poor child," said Eleanor, kindly. Adenoids will be described later; here they are mentioned only because they may press upon and close the Eustachian tubes. British Dictionary definitions for adenoids (1 of 2) pl n a mass of lymphoid tissue at the back of the throat behind the uvula: when enlarged it often restricts nasal breathing, esp in young children Technical name: pharyngeal tonsil British Dictionary definitions for adenoids (2 of 2) adjective 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 Word Origin for adenoid
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 adj.
1839, "gland-like," medical Latin
adenoideus, from Greek adenoeides, from aden (genitive adenos) "gland" (see inguinal) + eidos "form" (see -oid). Adenoids "adenoid growths" attested by 1862.
Online Etymology Dictionary, © 2010 Douglas Harper
Medicine definitions for adenoids n. 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. adj. Of, relating to, or resembling lymphatic glands or lymphatic tissue. Related forms ad′e•noi ( ′dal ăd′n-oid) ′l adj.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Science definitions for adenoids 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.
Culture definitions for adenoids adenoids [ ( ad-n-oydz, ad-noydz) ]
Two masses of tissue at the junction of the nose and throat, which, like the
tonsils, function in the lymphatic system. They help filter out harmful microorganisms that can cause infection. Continually swollen adenoids may interfere with breathing and affect speech. Note
Adenoids are sometimes surgically removed along with the tonsils if they are persistently inflamed (
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.