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Plutonium 239

nounid 116579·updated May 18, 2026
verified

a highly fissionable isotope of plutonium that is used in atomic weapons and as a reactor fuel

MWE

Classifications

Entity Type

Unknownauthoritativeglossary_import_default_pending_classifier

Sensitivity

unclassified

Information Class

unclassified

Variants

plural
Plutonium 239s
possessive
Plutonium 239's
pluralpossessive
Plutonium 239s'

Framework definitions

Wordset Dictionary1 senseview framework →
§1
a highly fissionable isotope of plutonium that is used in atomic weapons and as a reactor fuel

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Incoming relationships

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