Definition of adenoids in English:


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.

    • ‘Enlarged adenoids or tonsils, which are at the back of the throat, may block the Eustachian tube.’
    • ‘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.’
    • ‘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.’
    • ‘The child was also mouth-breathing, a sign that her adenoids were so enlarged that she was unable to breathe through her nose.’
    • ‘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.’
    • ‘Removal of the adenoids and tonsils may help if they are blocking the entrance to the Eustachian tube.’
    • ‘The doctor will also check the size of the adenoids to see if they are unusually enlarged and blocking the Eustachian tube.’
    • ‘Surgery might also help by removing tonsils and adenoids that prevent proper breathing.’
    • ‘Enlarged adenoids can also be caused by repeated chest infections or allergies, but in other cases the cause is unknown.’
    • ‘Lateral neck radiography provides useful information about the size of the adenoids and their relationship to the upper airway.’
    • ‘Even though some children may need surgery, it's important to remember that enlarged adenoids are normal in some children.’
    • ‘Tonsils and adenoids were present in all subjects.’
    • ‘Increased size of the adenoids causes breathing problems and also susceptibility to infections.’
    • ‘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.’
    • ‘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.’
    • ‘Close to the front opening of the Eustachian tubes are masses of tissue called adenoids.’
    • ‘The tissue that makes up the adenoids is called ‘lymphoid tissue’, which means that it contains white blood cells of the immune system.’
    • ‘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.’


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