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Strontium 90

nounid 143396·updated May 18, 2026
verified

a radioactive isotope of strontium (with the mass number 90) that is present in the fallout from nuclear explosions

MWE

Classifications

Entity Type

Unknownauthoritativeglossary_import_default_pending_classifier

Sensitivity

unclassified

Information Class

unclassified

Variants

plural
Strontium 90s
possessive
Strontium 90's
pluralpossessive
Strontium 90s'

Framework definitions

Wordset Dictionary1 senseview framework →
§1
a radioactive isotope of strontium (with the mass number 90) that is present in the fallout from nuclear explosions

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