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assay

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assayˈseɪ/verb
assaysassayedassaying
assay
ˈseɪ/
verb
assaysassayedassaying
Learner's definition of ASSAY  
[+ object]technical
: to test something (such as a metal or drug) to find out what it contains

— assay

/ˈæˌseɪ/noun,pluralassays[count]
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