adenoids

[ad-n-oid]

ad·e·noid

[ad-n-oid]
noun
1.
Usually, adenoids. an enlarged mass of lymphoid tissue in the upper pharynx, often obstructing breathing through the nasal passages.
adjective
2.
of or pertaining to the lymph glands.
3.
of or pertaining to the adenoids.

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Adenoids is always a great word to know.
So is interrobang. Does it mean:
a gadget; dingus; thingumbob.
a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question.

Origin:
1830–40; < Greek adenoeidḗs. See aden-, -oid
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Collins
World English Dictionary
adenoids (ˈædɪˌnɔɪdz)
 
pl n
Technical name: pharyngeal tonsil 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

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Science Dictionary
adenoids   (ād'n-oidz')  Pronunciation Key 
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 © 2002. Published by Houghton Mifflin. All rights reserved.
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American Heritage
Cultural Dictionary
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 (see inflammation).
Note: Swollen adenoids give a distinctive nasal sound to the voice.
The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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