spark test

English

Etymology

From spark +‎ test, due to the production of sparks in order to test for the character of a steel.

Noun

spark test (plural spark tests)

  1. An instance of spark testing.

Verb

spark test (third-person singular simple present spark tests, present participle spark testing, simple past and past participle spark tested)

  1. (metalworking) To test for the general character of a steel, when testing a piece of steel, by grinding it, producing sparks, and using the color of the sparks to determine its general classification.
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