downblend

== English == === Etymology === Blend of down +‎ blend. === Pronunciation === (General American) IPA(key): /ˈdaʊn.blɛnd/ === Verb === downblend (third-person singular simple present downblends, present participle downblending, simple past and past participle downblended) (usually transitive, nuclear physics) To blend highly-enriched uranium, typically from decommissioned nuclear weapons, with uranium containing a low concentration of fissile uranium-235 (slightly-enriched uranium, natural uranium, or depleted uranium) in order to convert it to low-enriched uranium suitable for use as fuel in standard power reactors but not usable for a fission bomb. ==== Antonyms ==== enrich