ˈlim(p)fəˌkīn noun
( -s )
Etymology: lymph- + -kine (from Greek kinein to set in motion) — more at hight
: any of various substances (as interleukin-2) of low molecular weight that are not immunoglobulins, are secreted by T cells in response to stimulation by antigens, and have a role (as the activation of macrophages or the enhancement or inhibition of antibody production) in cell-mediated immunity