"Nuclear enrichment" refers to the process of increasing the concentration of a particular isotope, usually uranium-235, in uranium ore or nuclear fuel. This enrichment is necessary to make nuclear power or nuclear weapons. Full definition
If Iran and the United States finalize an agreement on the latter's nuclear enrichment program and lift an embargo against Iranian oil, we would see another increase in global supply. (fortune.com)
First authorized by President Bush and then re-authorized by President Obama, the top secret computer worm was designed by the US and Israel to infect an Iranian nuclear enrichment facility at Natanz. (businessinsider.com)
While President Obama was attempting to negotiate a cessation of Iranian nuclear enrichment last spring, 47 Republican senators sent a threatening letter to Iran's leaders. (psmag.com)