ˈ ̷ ̷ ̷ ̷ ̷ ̷ ˈ ̷ ̷ ˌ ̷ ̷ ̷ ̷ -, ˈ ̷ ̷ ̷ ̷ ˈ ̷ ̷ (ˌ) ̷ ̷ ˌ ̷ ̷ ̷ ̷ - noun
: a T cell that is isolated from a malignant tumor, cultured with interleukin-2, and injected back into the patient as a tumor-killing cell and that has greater cytotoxicity than lymphokine-activated killer cells — called also TIL