Meaning & use

lung

noun·Everyday

Last updated

UK/lʌŋ/
US/lʌŋ/

Meanings

  1. nouncountable

    One of the two organs in the chest that fill with air and let you breathe.

    Grammar: Countable; usually plural when talking about both: the lungs. Use a/an or the with one: a lung, the left lung.

    Patterns

    • the lungs
    • a lung
    • lung + noun (lung cancer, lung capacity)

    Smoking damages the lungs and makes breathing harder.

    The doctor listened to my lungs with a stethoscope.

    He took a deep breath and felt his lungs expand.

  2. nouncountablebiology

    A similar organ in animals that breathe air, such as reptiles, birds, and mammals.

    Grammar: Countable; often used in biology when comparing how different animals breathe.

    Patterns

    • the lungs of + animal
    • animal lungs

    Birds have lungs plus air sacs that help them get enough oxygen.

    Fish do not have lungs; they use gills to take oxygen from water.

    In biology class we compared the lungs of a frog and a human.

Word forms

plurallungs

Common combinations

lung cancer
Lung cancer is one of the most common cancers worldwide.
lung capacity
Swimmers often have a large lung capacity.
collapsed lung
He was taken to hospital with a collapsed lung.
lung disease
She was diagnosed with a serious lung disease.
deep breath / fill your lungs
Take a deep breath and fill your lungs with fresh air.

Word family

pulmonary adjective
Medical term meaning 'relating to the lungs', as in pulmonary disease.

Commonly confused: lung or lunch?

lung vs lunch

Lunch is the meal you eat in the middle of the day; lung is the body organ. They sound similar but have different vowels and meanings.

Practice

The doctor said that smoking can seriously damage your ______.

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