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单词 picral
释义

Definition of picral in English:

picral

noun ˈpɪkral
Metallurgy
  • An etchant consisting of a solution of about 2 to 5 per cent of picric acid in ethyl alcohol.

Origin

1920s. From picr- + -al.

Definition of picral in US English:

picral

nounˈpɪkral
Metallurgy
  • An etchant consisting of a solution of about 2 to 5 per cent of picric acid in ethyl alcohol.

Origin

1920s. From picr- + -al.

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