Definition of proliferent in US English:
proliferent
adjective
Tending to proliferate; engaged in proliferation; prolific.
Origin
1920s; earliest use found in James Joyce (1882–1941), writer. Apparently from post-classical Latin prolifer + -ent. Compare French proliférant, present participle of proliférer.
Pronunciation
proliferent
/prəˈlɪf(ə)rənt/