Found in the following dictionaries
OTCWL2014 (NASPA Word List 2014)
"Plastination" Definition
noun
A technique for preserving bodies or body parts by replacing the water and fat with certain plastics.
Source: Wiktionary
A technique for the preservation of biological tissue that involves replacing water and fat in tissue with a polymer (as silicone or polyester) to produce a dry durable specimen for anatomical study.
Source: Merriam-Webster
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