DuckCorp Dico

Found one definition

1.                 From WordNet (r) 3.0 (2006):
                   
   
   
                   
                     
   TNF
       n 1: a proinflammatory cytokine that is produced by white blood
            cells (monocytes and macrophages); has an antineoplastic
            effect but causes inflammation (as in rheumatoid arthritis)
            [syn: tumor necrosis factor, tumour necrosis factor,
            TNF]