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词汇 assay
释义

assay

Word family adjectiveassayablenounassayerassayingverbassay
Related topics: Industry
as·say /əˈseɪ/ verb [transitiveT]  
TIto test a substance, especially a metal, to see how pure it is or what it is made of 鉴定,化验,分析〔尤指金属纯度或成分等〕
assay /əˈseɪ, ˈæseɪ $ ˈæseɪ, æˈseɪ/ noun [countableC]
Examples from the Corpus
From Longman Business Dictionary
assayas·say1 /əˈseɪ, ˈæseɪ/ noun [countableC, uncountableU]
a test to show how pure a metal, drug etc is
The experiments were done under standard assay conditions.
assayas·say2 /əˈseɪ/ verb [transitiveT]
to test something such as a metal or drug to find out how pure it is
All samples were assayed in duplicate.
Origin assay
(1300-1400) Old French assaier, essaier, from Late Latin exagium; → ESSAY1
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