passivate

[pas-uh-veyt]

verb (used with object), pas·si·vat·ed, pas·si·vat·ing. Metallurgy.

to treat (a metal) to render the surface less reactive chemically.

Nearby words

  1. passionist,
  2. passionists,
  3. passionless,
  4. passionlessly,
  5. passiontide,
  6. passive,
  7. passive anaphylaxis,
  8. passive clot,
  9. passive congestion,
  10. passive euthanasia

Origin of passivate

First recorded in 1910–15; passive + -ate1

Related formspas·si·va·tion, noun

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019


British Dictionary definitions for passivate

passivate

verb

(tr) to render (a metal) less susceptible to corrosion by coating the surface with a substance, such as an oxide
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