Definition of "ultrapure" [ultrapure]

• Extremely pure. Of utmost purity. (adjective)

Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License

• "The first ultrapure fiber was successfully fabricated just four years later, in 1970."
• "Millipore's expertise in the ultrapure water and supplements needed for cell cultivation fits Merck's smaller laboratory business."
• "“Imagine a seriously high-tech, ultrapure silicon crystal roll of refrigerated cookie dough,” writes Elizabeth Grossman in her comprehensive book High Tech Trash.61"