Definition of immune system in English:

immune system

Line breaks: im¦mune sys¦tem

Entry from British & World English dictionary

noun

  • The organs and processes of the body that provide resistance to infection and toxins. Organs include the thymus, bone marrow, and lymph nodes.

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Word of the day coloratura
Pronunciation: ˌkələrəˈto͝orə
noun
elaborate ornamentation of a vocal melody