Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.
The American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
verb pas·si·vat·ed, pas·si·vat·ing, pas·si·vates verb, transitive
- To treat or coat (a metal) in order to reduce the chemical reactivity of its surface.
- To coat (a semiconductor, for example) with an oxide layer to protect against contamination and increase electrical stability.
- pasˌsi·vaˈtion noun
- pasˈsi·va·tor noun