immunostimulant
/ˌɪmjʊnəʊˈstɪmjʊlənt/ /ˌɪmjʊnəʊˈstɪmjʊl(ə)nt/ /ɪˌmjuːnəʊˈstɪmjʊlənt/Medicine
noun
An agent that stimulates the function of the immune system.
adjective
= immunostimulatory.
Origin
1970s; earliest use found in Science. As noun from immuno- + stimulant, after immunostimulation. As adjective from immuno- + stimulant, after immunostimulation. With use as adjective compare earlier immunostimulatory.