unenriched
adjective
un·en·riched ˌən-in-ˈricht 
-en-
: not enriched
unenriched bread/flour
unenriched uranium
Example Sentences
Recent Examples on the Web This 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
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 Word History
First Known Use
1723, in the meaning defined above