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actinide series
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space-reflection symmetry
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clock face
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lightning
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least bittern
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adansonia gregorii
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actinism
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preventable
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adactylous
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adagio
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active subwoofer
active subwoofer /ˈæktɪv ˈsʌbˌwʊfər/
noun
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A subwoofer with a built-in amplifier.
(
active subwoofer
)
A subwoofer with a built-in amplifier.