SV40 Definition
ĕsvē-fôrtē
noun
A polyomavirus found in humans and other mammals that causes tumors in certain species, such as hamsters and rats, and various diseases in immunocompromised monkeys. It has been widely researched as a model of viral replication and gene expression and a possible cause of certain cancers in humans.
American Heritage Medicine
Origin of SV40
s(imian) v(irus) 40
From American Heritage Dictionary of the English Language, 5th Edition