Dictionary.com
definitions

lymphokine

[lim-fuh-kahyn]

noun Immunology.

any lymphocyte product, as interferon, that is not an antibody but may participate in the immune response through its effect on the function of other cells, as destroying antigen-coated cells or stimulating macrophages.

Origin of lymphokine

1969; lympho(cyte) + -kine < Greek kīneîn to move; cf. -kinin
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for lymphokine

lymphokine

noun

immunol a protein, released by lymphocytes, that affects other cells involved in the immune response
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
lymphokine in Medicine

lymphokine

[lĭm′fə-kīn′]

n.

Any of various soluble substances, released by sensitized lymphocytes on contact with specific antigens, that act by stimulating activity of monocytes and macrophages.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
lymphokine in Science

lymphokine

[lĭm′fə-kīn′]

Any of various cytokines released by T cells that have been activated by specific antigens. Lymphokines act as mediators in the immune response by activating macrophages and stimulating lymphocyte production. Interferon is a lymphokine.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.