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Definition of protectant - 2 dictionary results

pro⋅tect⋅ant

[pruh-tek-tuhnt]
–noun
a substance, as a chemical spray, that provides protection, as against insects, frost, rust, etc.; protective agent.

Origin:
1660–70, for an earlier sense; protect + -ant
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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pro·tec·tant   (prə-těk'tənt)   
n.  One that protects: applied a protectant to the raw wood.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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