Meaning & use
Etchant
Last updated
A chemical substance used to corrode or dissolve a surface selectively, typically in printmaking, metalwork, or semiconductor manufacturing.
See it in a sentence
The printmaker applied acid as an etchant to cut lines into the copper plate.
Engineers select a precise etchant to pattern the silicon wafer.
A note on using this word
Widely used in industrial and technical contexts, from traditional printmaking to modern microchip fabrication.
Words with a similar meaning
acid bathcorrosive
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