nondestructive definition by American Heritage Dictionary
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.
Of, relating to, or being a process that does not result in damage to the material under investigation or testing.
nondestructive definition by Wiktionary
(comparative more nondestructive, superlative most nondestructive)