Definition of interleukin in English:


Syllabification: in·ter·leu·kin
Pronunciation: /ˌin(t)ərˈlo͞okən


Any of a class of glycoproteins produced by leukocytes for regulating immune responses.
More example sentences
  • They are divided into four major groups: interleukins, interferons, tumor necrosis factors, and transformation growth factors.
  • You may have heard of some of them - the interferons and interleukins, for example.
  • By adding synthetic interleukins to your body, your immune system may have more power to fight the cancer cells.


1970s: from inter- 'occurring between' + leukocyte (variant of leukocyte) + -in1.

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