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actinomyces
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actiniopteris
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action painting
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ad valorem tax
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space-reflection symmetry
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actinometry
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bute
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absolute alcohol
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activating agent
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active agent
active agent /ˈækˌtɪv ˈeɪdʒənt/
noun
-
Chemical agent capable of activity
(
active agent
, active
)
chemical agent capable of activity