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gypsum
vacuum
frustration
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ejaculations
corer
abominably
passing water
sarah
forward-looking
aland islands
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actinide
actinide
/ˈækˈtɪnˌaɪd/
noun
Any of a series of radioactive elements with atomic numbers 89 through 103
(
actinide
,
actinoid
,
actinon
)
any of a series of radioactive elements with atomic numbers 89 through 103
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