Crossword Genius

Engrave using acid (4)

Ross

I believe the answer is:

etch

'engrave using acid' is the definition.
(I've seen this before)

This is the entire clue.

(Other definitions for etch that I've seen before include "Carve into metal with acid" , "Make incisions" , "Make carvings" , "Carve or engrave into surface" , "Cut deeply (with acid?)" .)

I've seen this clue in The Times and the USA Today.
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