the GNU version of the Collaborative International Dictionary of English
n. One who inoculates; one who propagates plants or diseases by inoculation.
The Century Dictionary and Cyclopedia
n. A person who or a thing which inoculates; one who or that which propagates by inoculation.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. a medical practitioner who inoculates people against diseases
Word Usage
"Thus contrary to the insistence of some that religion is inherently divisive and harmful, this research suggests that early-life exposure to moderate forms of religion may be a vital inoculator against the dangers of extremist recruitment."