occludent
/ɒkˈkloʊdənt/Definitions
1. noun
A substance that causes or is capable of causing occlusion, or the blocking of a blood vessel.
“The doctor tested the occludent properties of the new medication.”
2. adjective
Tending to cause occlusion or blockage, especially of blood vessels.
“The surgeon used an occludent device to seal the hole in the heart.”