pyrognostics

[复]n.[用作单或复][矿]吹管试验特性(包括熔性、火焰染色等)

释义与例句

n.
  1. 1.

    The characteristics of a substance, especially of a mineral or metal salt, that are revealed by heat, especially by the use of a blowpipe and a charcoal block.

    过时 不可数