high-level waste

British  

noun

1. radioactive waste material, such as spent nuclear fuel initially having a high activity and thus needing constant cooling for several decades by its producers before it can be reprocessed or treated Compare intermediate-level waste low-level waste

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Example Sentences

Eventually, vitrified low-activity waste will be disposed of on-site in stainless steel casks, and a separate melter just for high-level waste will come online to manage the most toxic waste.

From Seattle Times • Feb. 25, 2024

There are even bigger stakes in dealing with the high-level waste.

From New York Times • May 31, 2023

The Energy Department was shipping high-level waste to Idaho until a series of lawsuits between the state and the federal government in the 1990s led to a settlement agreement.

From Washington Times • Dec. 29, 2021

A recent Royal Commission report argues that South Australia could profit by storing high-level waste from nuclear reactors overseas, buried deep underground at a location still to be chosen. 

From Reuters • Aug. 17, 2016

New Mexico, in agreeing to WIPP, required that Congress enshrine in law a promise that the feds would not send high-level waste into the state.

From Forbes • Jan. 25, 2012