separate out
US /ˈsepəreɪt aʊt/
UK /ˈsepəreɪt aʊt/
1.
to divide or sort into different groups or categories
:
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We need to separate out the recyclable materials from the general waste.
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The teacher asked the students to separate out the nouns from the verbs in the sentence.
2.
to identify and isolate a particular element or aspect from a larger whole
:
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It's difficult to separate out the true causes of the problem from all the contributing factors.
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We need to separate out the key findings from the extensive research data.