One of the mysteries of the English language finally explained.
An acid or corrosive chemical used in etching; a mordant.
- ‘It can also be cured at relatively low temperatures, is chemically compatible with organic semiconductors and can be used with the microprinting etchants.’
- ‘The following table lists the most commonly used etchants.’
- ‘Etchants are commonly employed in the manufacture of resistor boards where films of gold, nickel, or chromium are to be etched.’
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