I. ə̇nˈsīt ə nt adjective
Etymology: Latin incitant-, incitans, present participle of incitare to incite
: inciting, causative , stimulating
incitant of infection
an incitant factor
II. noun
( -s )
: an inciting agent ; especially : a factor (as an infective agent) that is the essential causative agent of a particular disease
where the fungal incitant is present mildew is likely to damage foliage in cold wet weather