re·​ac·​to·​gen·​ic (ˌ)rē-ˌak-tə-ˈjen-ik How to pronounce reactogenic (audio)
: capable of causing a reaction and especially an immunological reaction
a highly reactogenic vaccine
reactogenicity noun
plural reactogenicities

Dictionary Entries Near reactogenic

Cite this Entry

“Reactogenic.” Medical Dictionary, Merriam-Webster, Accessed 14 Jun. 2024.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!