antithrombogenic

adjective

an·​ti·​throm·​bo·​gen·​ic -ˌthräm-bə-ˈjen-ik 

: preventing the formation of a blood clot especially within a blood vessel

The antithrombogenic effects of monounsaturated fatty acids have been less studied …

—J. Mann, in Human Nutrition and Dietetics

antithrombogenicity

-jə-ˈnis-ət-ē 

noun