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assay

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noun [countable] chemistry assay pronunciation in American English /ˈæˌseɪ/ assay pronunciation in American English /əˈseɪ/ 
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singularassay
pluralassays

derived word

assay

 assay pronunciation in American English  verb [transitive]
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present tense
I/you/we/theyassay
he/she/itassays
present participleassaying
past tenseassayed
past participleassayed

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