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ascension
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with regard to
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sum
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ornamental
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action-packed
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cast
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levies
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starters
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readily
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put off
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acid-base indicator
acid-base indicator /ˈæsɪd-beɪs ˈɪndəˌkeɪtər/
noun
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An indicator that changes color on going from acidic to basic solutions
(
acid-base indicator
)
an indicator that changes color on going from acidic to basic solutions