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31
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actinometer
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contentment
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apparatus
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impious
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pug-nosed
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intricacies
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obstinate
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abatable nuisance
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strange
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refining
refining /rɪˈfaɪnɪŋ/
noun
-
The process of removing impurities (as from oil, metals or sugar etc.)
(
purification
, refinement
, refining
)
the process of removing impurities (as from oil, metals or sugar etc.)