The acid test confirmed the authenticity of the gemstone.
heat test
Frequency:
70
%
The heat test determined the durability of the material.
heat test
Frequency:
50
%
The heat test proved the effectiveness of the insulation.
Idiomatic Expressions for acid heat test
Phrase: stand up to the acid heat test
Meaning: to prove to be of high quality or durability when subjected to intense scrutiny or testing
Usage: The company's latest software update had to stand up to the acid heat test of customer feedback.