Posted on 1st October 2012 by melyn Isrudh is the Cornish word for infrared Yes, infrared in Cornish is isrudh Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related Post navigationPrevious post: Keskarieth is the Cornish word for separatismNext post: Kowl is the Cornish word for broth