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[ech-uh nt] /ˈɛtʃ ənt/
a chemical used to etch designs into metal, glass, or other material.
Origin of etchant
1925-30; etch + -ant Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for etchant
  • The resist layer selectively protects the circuit areas from etchant whereas the remaining copper foil is etched away.
  • Currently, hazardous oxidants such as chlorine are used to regenerate this etchant.
  • Three respondents indicated that they use this technology to process spent micro-etchant.
  • To achieve this bond the tooth must be prepared with an acid etchant.
  • etchant that is sent off-site is processed to recover the copper and regenerate the etchant for reuse.
  • Knowledge of procedure for applying etchant to tooth surfaces.
British Dictionary definitions for etchant


any acid or corrosive used for etching
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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