Definition of adenoids in English:


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plural noun

  • A mass of enlarged lymphatic tissue between the back of the nose and the throat, often hindering speaking and breathing in young children.

    ‘Close to the front opening of the Eustachian tubes are masses of tissue called adenoids.’
    • ‘Even though some children may need surgery, it's important to remember that enlarged adenoids are normal in some children.’
    • ‘Enlarged adenoids can also be caused by repeated chest infections or allergies, but in other cases the cause is unknown.’
    • ‘If the adenoids are unusually enlarged, and blocking the Eustachian tubes, they may also have to be removed.’
    • ‘I was in hospital to have enlarged adenoids removed.’
    • ‘Overweight men between the ages of 30 and 65 are most commonly affected, but it may also occur in children with enlarged tonsils or adenoids.’
    • ‘Enlarged adenoids or tonsils, which are at the back of the throat, may block the Eustachian tube.’
    • ‘If your child snores during sleep, he may have enlarged tonsils or adenoids that are making it hard for him to breathe while asleep, waking him up often.’
    • ‘The tissue that makes up the adenoids is called ‘lymphoid tissue’, which means that it contains white blood cells of the immune system.’
    • ‘The child was also mouth-breathing, a sign that her adenoids were so enlarged that she was unable to breathe through her nose.’
    • ‘The doctor will also check the size of the adenoids to see if they are unusually enlarged and blocking the Eustachian tube.’
    • ‘Lateral neck radiography provides useful information about the size of the adenoids and their relationship to the upper airway.’
    • ‘Tonsils and adenoids are composed of tissue similar to the lymph nodes or ‘glands’ found in the neck, groin and other places in the body.’
    • ‘Surgery might also help by removing tonsils and adenoids that prevent proper breathing.’
    • ‘The adenoids, which are gland-like structures located in the back of the upper throat near the eustachian tubes, are large in children and can interfere with the opening of the Eustachian tubes.’
    • ‘Tonsils and adenoids were present in all subjects.’
    • ‘Removal of the adenoids and tonsils may help if they are blocking the entrance to the Eustachian tube.’
    • ‘Increased size of the adenoids causes breathing problems and also susceptibility to infections.’
    • ‘As it turned out, I had really bad adenoids and near-constant tonsil infections - when the tonsils came out around age 7, my appetite revved up somewhat.’



/ˈadnˌoidz/ /ˈædnˌɔɪdz/


Late 19th century adenoid from Greek adēn ‘gland’+ -oid.