The definition of an inoculum is a substance introduced into the body to create or increase the body's resistance or immunity to a disease.
A flu vaccine is an example of an inoculum.
nounpl. -·u·la or -·lums
material used in an inoculation, as bacteria; inoculant
Origin of inoculumModern Latin
nounpl. in·oc·u·la, or in·oc·u·lums
The material used in an inoculation. Also called inoculant .
Origin of inoculumNew Latin from Latin inoculāre to graft a scion ; see inoculate .