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burnup

American  
[burn-uhp] / ˈbɜrnˌʌp /

noun

  1. the nuclear fuel consumed in a reactor, often measured as a percentage of the atoms of fuel that have undergone fission.

Etymology

Origin of burnup

Noun use of the verb phrase burn up

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

High burnup fuel remains in nuclear reactor cores longer to produce more energy but comes out more radioactive and hotter.

From Washington Times • Oct. 23, 2015

Though the accident was a type of core meltdown, the ultimate nuclear power nightmare, U.S. experts also called it a burnup.

From Time Magazine Archive

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.