Recent Examples on the WebThis process, which involves mixing it with unenriched metal, has been done plenty of times before. Gregory Barber, Wired, 17 Mar. 2022 The vitamin and mineral content in unenriched white rice is fairly low. Cynthia Sass, Rd, Health.com, 1 July 2021 One of those neutrons might be absorbed by unenriched uranium, U-238. Dan Dubno, Popular Mechanics, 25 Apr. 2017