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interleukin 2

American  

noun

  1. Immunology. a lymphokine protein, secreted by T cells in response to antigen and interleukin 1, that stimulates the proliferation of T cells.

  2. Pharmacology. a form of this protein produced by genetic engineering and used experimentally in immunotherapy. IL-2

Etymology

Origin of interleukin 2

First recorded in 1980–85; interleukin 1

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.