Asubstance that interferes with the action of a catalyst is known as a(n)

A substance that interferes with a cataliyst is known as an inhibitor. Inhibitor also interferes other biologic activity such as growth.

Example of the real life apllication for an inhibitor is we use it to modify the properties of final polymer products as well as to prolong usefulness.

Another aplication of an inhibitor is on a Silver made Jewelries. Jewelers use inhibitors to prevent the formation of dark colored silver sulfides

They are like other investigations? say there was a murder u have to do blood test and finger prints which run through a lab.