picral
/ˈpɪkral/Metallurgy
noun
An etchant consisting of a solution of about 2 to 5 per cent of picric acid in ethyl alcohol.
Origin
1920s. From picr- + -al.
| 单词 | picral |
| 释义 | picral/ˈpɪkral/Metallurgy noun An etchant consisting of a solution of about 2 to 5 per cent of picric acid in ethyl alcohol. Origin |
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