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Definition of assay verb from the Oxford Advanced Learner's Dictionary

assay

verb
 
/əˈseɪ/
 
/əˈseɪ/
Verb Forms
present simple I / you / we / they assay
 
/əˈseɪ/
 
/əˈseɪ/
he / she / it assays
 
/əˈseɪz/
 
/əˈseɪz/
past simple assayed
 
/əˈseɪd/
 
/əˈseɪd/
past participle assayed
 
/əˈseɪd/
 
/əˈseɪd/
-ing form assaying
 
/əˈseɪɪŋ/
 
/əˈseɪɪŋ/
jump to other results
  1. assay something to test a metal or chemical substance, often to see how pure it is

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noun
 
 
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