Recent Examples of plutonium from the Web
In 1994, North Korea was thought to have one or two bombs’ worth of plutonium.
A week later, routine monitoring detected plutonium contamination in the room.
Exceeding limits on production and storage of heavy water, a substance needed to operate plutonium-producing heavy-water nuclear reactors.
The result: North Korea reopened its plutonium reactor and in 2006 conducted its first nuclear test.
The first system — radioisotope thermoelectric generators, or RTGs — taps heat released from the natural decay of a radioactive element, such as plutonium.
The two tunnels are in the 200 East Area, where plutonium was recovered from irradiated uranium-fuel rods.
Plutonium also slowly decays, with some of its isotopes becoming uranium.
The U.S. War Department (later the Department of Defense) bought the land along the Columbia River to build and operate plutonium production reactors in secret.
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Origin and Etymology of plutonium
First Known Use: 1942See Words from the same year
PLUTONIUM Defined for English Language Learners
Definition of plutonium for English Language Learners
: a radioactive element that is used to make nuclear energy and nuclear weapons
PLUTONIUM Defined for Kids
Definition of plutonium for Students
medical Definition of plutonium
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